FREE
SHIPPING!

on all orders above $300.00

FREE Pills!

VIAGRA PILLS

for free with every order

OUR DRUG PRICES are

70%

Less than in your
local pharmacy

Search by letter:

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Enter coupon: (if you have one)

Selerin (Selegiline)
+ BONUS
 
Selegiline

This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.

Other names for this medication:
Selegiline, Eldepryl, Anipryl, Carbex, Comenter, Deprenyl, Jumex, Niar, Segan, Selecom, Selegilina, Selegos, Selerin, Selgene, Selgian, Selgin, Selgina, Zelapar,

Similar Products:
Puricos, Elgam, Pantodac, Getzome, Mobic, Esam, Votum, Tibutol, Diseptyl, Oftaquix, Pinaclav, Procor, Vagimid, Tetrax, Astelin, Exter, Lansazol, Sorbon, Noklot, Tamsulosine, Dicloratio, Metrin, Fisat, Madol, Diclon, Redomex, Moxacin, Norvasc, Ranid, Normalip,

selerin apteka online

Relativistic-configuration-interaction results for the hyperfine-structure constants of 133Cs Roland Morris disability questionnaire - adaptation and validation for the Portuguese speaking patients with back pain In Italy, scenarios for reducing beef consumption are consistent with significant health and environmental co-benefits on current and future generations.

selerin 5 mg

These results indicate involvement of APP in STS induced astrocytic differentiation of NT-2/D1 cells. The long-term effectiveness of the intervention was established by the illustration of either continued stability or continued improvement in experimental variables across the follow-up period. Race and atrial flutter: a needed update to understand the atrial fibrillation race paradox. A few minutes later, the morphology of this organelle starts to disrupt and just 6 h after treatment the nuclei appear affected showing the fragmented appearance typical of apoptotic cell death. It is shown that the main technical challenges of performing BOLD fMRI at high magnetic field strengths-namely development of array coils, imaging sequences and parallel imaging reconstruction-have been solved successfully.

selerin apteka online

Little is known about their sexual behavior, contraceptive use, and risk of unintended pregnancy. Taken together, our results uncover the PAPs in chickpea and potential roles of CaPAP7 in seed phytate accumulation.

selerin 5 mg

In our large prospectively followed SCAD cohort, long-term cardiovascular events were common. These lectins present at injured sites suggest that they probably serve synergistically to accomplish an effective host defense against invading microbes. The CaBP-labeled neurons included both multipolar and fusiform morphologies, and most were medium- to large-sized cells. In the standard group, chest compression delivery was optimized by video and verbal feedback to maintain the rate, depth, and release within published guidelines. Rarely emerging resistant colonies at a concentration of 400 nM nilotinib exclusively expressed the T315I mutation.

selerin 5 mg

Invasive cervical cell squamous carcinoma (ICC) classically develops from high grade cervical intraepithelial neoplasia of usual type (uCIN). During our examination of cancer cell lines, compounds C, F, and G evidenced higher inhibitory activity than resveratrol with regard to the growth of PC-3 and LNCaP human prostate cancer cells. The second group of oncoviruses integrates their promoter sequences and viral enhancers near to the cellular growth-stimulating gene, initiating the transformation of the cell. Partitioning of the maize epigenome by the number of methyl groups on histone H3 lysines 9 and 27. Herein, we review each area with highlights of the current and forthcoming micro/nanomotor techniques in advancing cancer diagnosis and treatment.

selerin 5 mg

We identified 26 putative PAP genes by a genome-wide analysis of rice (Oryza sativa), 24 of which have isolated EST sequences in the dbEST database. The material submitted is a draft model system for the use of a microcomputer in the daily working activity of the community paediatrician.

selerin 5 mg

A two-stage, telephonic approach involving the PHQ-8 instrument for Medicaid members with either depressed mood or anhedonia could identify two clinically depressed persons for every nine members screened. The measurement of homocysteine and folic acid levels in all samples were performed with an Immulite 2000 analyzer, using the chemiluminescence method. Optimal Sox-based fluorescent chemosensor design for serine/threonine protein kinases. Variation in invasion success may result from the divergent evolutionary histories of introduced species compared to those of native taxa.

selerin 5 mg

In particular, the use of Campath-1H, in T-PLL has more than doubled median survival. Bioinformatic alignments compel inquiring whether the novel 16-nt sequence or its precursor have a regulatory function as well as determining aspects of how processing intersects with the miRNA biogenesis pathway.

selerin 5 mg

We extend this framework to the flower-handling tactics that visitors employ. However, in a number of patients there were no cerebellar symptoms or signs (9/22).

selerin apteka online

Correction of systematic errors in CORE processing of DOSY data. To test this hypothesis, trends in beverage-specific alcohol sales per capita and mortality rates from external causes in Russia between 1980 and 2005 were analyzed by means of ARIMA time-series analysis. CuCl/Et3N-Catalyzed Synthesis of Indanone-Fused 2-Methylene Pyrrolidines from Enynals and Propargylamines. Adequacy was defined as the average of the 3 most proximate single pool Kt/V assessments.

selerin apteka online

The concentrations of MMP-2, -3, -9 and TIMP-1, -2 in SF did not seem to be influenced by the amount of residual cartilage. Hypochondria circumscripta (to the problem of coenesthesiopathic paranoia) A Ketogenic Diet Extends Longevity and Healthspan in Adult Mice. MCDPAT is based upon the expanded library of MCD patterns defined previously (A.J.

selerin 5 mg

Localization of a novel autosomal recessive nonsyndromic hearing impairment locus DFNB65 to chromosome 20q13.2-q13.32. There was a significant correlation between dose of buprenorphine and some test results.

selerin apteka online

To describe relevant pathogen-related characteristics and their impact on sepsis pathogenesis and prognosis. The purpose of this retrospective study was to compare this alternative myocardial protection technique with our standard technique of cold crystalloid cardioplegia (CP).

selerin 5 mg

Thus, our study concludes that unilateral SA is a cost-effective and rapidly performed anaesthetic technique. Because the osa-encoded product has close homologies to the fiwA-encoded product of the IncP plasmid RP1, osa may be involved in fertility inhibition that would prevent or reduce the formation of stable mating pairs and T-DNA transfer between A. Although newer antidepressants are not more effective than older ones, they are better tolerated and are safe especially in overdose. We investigated this issue using immunohistochemistry to localize GSH synthesis enzymes within the myenteric plexus and tested how the inhibition of GSH synthesis with the selective inhibitor L-Buthionine Sulfoximine (BSO) impacts neuronal survival and inflammation. We did a retrospective population-based cohort study of all adults aged 65 years and older residing in Alberta, Canada, between 2002 and 2013.

selerin 5 mg

All clinical measurements were made by one examiner who was masked to treatment sequence. Bacteremia with Acinetobacter species: risk factors and prognosis in different clinical settings. Risk factors for stroke in patients with nonrheumatic atrial fibrillation: a case-control study.

selerin 5 mg

The aggregates can be exciplex and electroplex, which is the excited complex that generated after electrically excited state under high electric field. A new bottom-up nanowelding technique enabling the welding of complex 3D nanoarchitectures assembled from individual building blocks using nanovolumes of metal solder is reported in this work. These results indicate that oncogenic ras activation has opposite effects on Cdx-1 and Cdx-2 expression through distinct signalling pathways and they provide the first evidence for a functional link between ras activation and the downregulation of the Cdx-2 tumour-suppressor gene in colon cancer cells. Influence of donor moiety in ruthenium sensitizers on the properties of dye-sensitized solar cells.

selerin 5 mg

However, a large prospective clinical trial is needed to confirm these results. Natural orifice transluminal endoscopic surgery and localized resection for colorectal neoplasia. This study applied intestinal fragments from terminal ileum and colon that were excised from pediatric and adult patients that underwent colonoscopic procedures. Axonal conduction velocities were in the ranges 62-18 m/s (A alpha/beta) and 7-4 m/s (A delta).

selegiline dosage forms of crestor

  • selegiline hydrochloride usp monograph excipient
  • selegiline 2mg tablets
  • selegiline oral dosage for depression
  • selegiline drug interactions
  • desmethyl selegiline hydrochloride
  • selegiline hcl tablet 5 mg costs
  • selegiline hcl for dogs side effects
  • selegiline dosage forms of crestor
  • selegiline dosage life extension
  • selegiline tablet sizes compare
  • n desmethyl selegiline depression
  • novo selegiline for depression
  • tab selegiline 5mg
  • eldepryl selegiline depression
  • selegiline dosage forms pdf
  • selegiline for dogs medication cost
  • selegiline for dogs 10 mg
  • apo selegiline hydrochloride tablets
  • tab selegiline brand
  • dava pharmaceuticals selegiline
  • selegiline hydrochloride usp monograph dandrift
  • apo selegiline hydrochloride for dogs
  • jumex deprenyl selegiline hcl animal medication
  • novo selegiline reviews
  • selegiline hydrochloride usp monograph
  • famprofazone or selegiline depression
  • selegiline capsule
  • selegiline phenylalanine dosage
  • selegiline hydrochloride msdsonline
  • selegiline for depression australia post
  • selegiline anxiety forum
  • selerin apteka online
  • selegiline patch ingredients for pizza
  • selegiline dogs side effects
  • selegiline buy order of the eastern
  • selegiline and phenylethylamine dosage for depression
  • selegiline dose for depression
  • selegiline high dosage of levothyroxine
  • selegiline high dosage of vitamin
  • selegiline 40 mg and adderall 20mg
  • selegiline transdermal system side effects
  • buy selegiline 10 mg
  • desmethyl selegiline depression
  • selegiline dosage longecity
  • selegiline buy uk football
  • selerin 5 mg
  • selegiline hydrochloride capsules 5mg
  • selegiline depression dose
  • selegiline drug interactions dogs of the dow
  • interaction between selegiline and demerol
  • selegiline hcl for depression
  • selegiline 5mg capsule apo 055 half life
  • selegiline metabolic diet
  • mousehunt cheese effect of selegiline
  • jumex deprenyl selegiline hcl capsules
  • selegiline manufacturer
  • selegiline dosage forms for geriatric patients
  • selegiline hydrochloride buy
  • selegiline side effects for dogs
  • eldepryl selegiline reviews
  • selegiline depression forums
  • selegiline hcl tablets in uae
  • selegiline hydrochloride for depression
  • selegiline hcl canine

selerin 5 mg

To evaluate prognostic factors after resection of hepatocellular carcinoma (HCC) in patients with Child-Turcotte class B and C cirrhosis. (4) Since the dissolvable humic substances in the suspended solids of the river have been dissolved in water, the addition of suspended solids to the water system can only cause the decrease of photodegradation rate of PAHs due to its inner filter effects, and the photodegradation rate decreases with the suspended solid content as a power exponent function. Fifty-six surgeries using this modified technique were done between October, 1994, and March, 2002, for patients with chronic degenerative Achilles tendinosis.

selerin apteka online

Corneal cross-linking was approved by United States Food and Drug Administration for the treatment of progressive keratoconus in April 2016. Targeting CXCR4-dependent immunosuppressive Ly6Clow monocytes improves antiangiogenic therapy in colorectal cancer. 148 patients had neuroimaging for clinically suspected stroke during this period. In vivo tumor growth was determined in athymic nude mice by injecting the HCT116 cells in the subcutaneous tissue, followed by the injection of QGY-5-114-A.

selegiline 2mg tablets

Chemical primer extension: efficiently determining single nucleotides in DNA. Patients were divided into groups of osteoporosis, osteopenia and normal regarding reported T scores of DEXA evaluation according to the suggestions of World Health Organization. The biochip was connected serially to a mass spectrometer, a peristaltic pump and a culture medium reservoir. Subsequent pregnancy was related to Active Grief in women, but not to Difficulty Coping or Despair that are known to be predictors of chronic grief.

desmethyl selegiline hydrochloride

Microvascular dysfunction is clinically relevant because it is a marker for mortality: it improves rapidly in survivors of sepsis but fails to improve in nonsurvivors. The crimping design provides longitudinal elasticity and resistance to collapsing, retains its shape with bending and avoids kinking. Pattern of angular change of the anterior cruciate ligament across the range of knee flexion and the related anatomical dimensions.

selegiline dosage longecity

Dynamic 24-hour recordings were obtained in 10 healthy non hospitalized subjects. Experimental evidence for hydrophobic matching and membrane-mediated interactions in lipid bilayers containing gramicidin. Adult stem cells reside in specialized microenvironments, or niches, that are essential for their function in vivo.

selegiline drug interactions

This study was conducted on 2506 children aged 10 to 12 yr old in the city of Sanandaj, western Iran in 2015. Effects of irradiation with gamma rays of cobalt-60 on injectable solutions of cyanocobalamin and hydroxycobalamin Recent advances have provided new insights into the mechanisms and the therapeutic strategies of intestinal epithelial tight junction barrier dysfunction following severe burn injury. Modulation of sympathetic tone may contribute to statin-mediated reduction in sudden cardiac death.

selegiline patch ingredients for pizza

We also analyze possible correlations between anti-protein C, protein S and protein Z autoantibodies, and post-varicella arteriopathy. Urticaria caused by cold and cryoglobulinemia revealing a myeloma

selegiline hcl tablet 5 mg costs

Furthermore, such tolerance is additive to histocompatibility at HLA-class I. Red cheeks to red cell aplasia: parvovirus B19 in a heart transplant patient. The 51 serotypes of HAds cause a wide range of infections with clinical manifestations associated with the gastrointestinal, respiratory and urinary tracts, and the eyes.

tab selegiline 5mg

Variables regarding sociodemographic, academic yield and presence of chronic illnesses circumstances. In this study, we investigated the effects of genetic variation in UCP2 on type 2 diabetes and obesity, as well as on metabolic phenotypes related to these diseases, in Pima Indians. No change in the pharmacokinetics of furosemide was found after coadministration of lomefloxacin. Long-term effect on blood pressure of early brief treatment by different antihypertensive agents: a study in the prague hypertensive rat. Identification of a discriminative metabolomic fingerprint of potential clinical relevance in saliva of patients with periodontitis using 1H nuclear magnetic resonance (NMR) spectroscopy.

selegiline hcl tablet 5 mg costs

Millions of adults, children and teenagers use artificial sports pitches and playgrounds globally. The results showed that raw substances as well as glass containers contain arsenic.

selegiline patch ingredients for pizza

The explanation for the inverse associations between the intake of milk products and certain cardiovascular risk factors is not known. In vitro synthesis of cellulose II from a cytoplasmic membrane fraction of Acetobacter xylinum. Furthermore, 10 male-dominant metabolites and 27 diet-related metabolites that differed between male and female silkworms were identified.

selegiline hcl tablets in uae

Pharmacology of the surgical environment in ophthalmology (inflammation, cicatrization, fibrosis) In the cryptorchid horse the increase in conversion of androgen to oestrogen was observed as manifested by aromatase overexpression. Few such data are available concerning the treatment of patients refractory to treatment with both a tricyclic antidepressant and a monoamine oxidase inhibitor given singly. Roentgenologic and histopathologic study on early changes in periodontal diseases.

selegiline and phenylethylamine dosage for depression

These enhancers receive regulatory inputs from three signalling pathways: wingless, decapentaplegic and Notch/Suppressor of Hairless. Twelve had to be reoperated on (19 operations in all) for persistent (9 cases) or recurrent (3 cases) hyperparathyroidism. In large population settings, simple clinical assessments could be used in the first instance to identify older adults who would benefit from further testing with routine (non-fasting) blood markers to identify those at most likely to be at elevated diabetes risk. This is the first known case of intradural involvement by tumoral calcinosis. Recently based on Hi-C experiment, a genome-wide picture of chromatin interactions in human cells was presented.

selegiline oral dosage for depression

The KLF5 small interfering RNA-mediated down-regulation of survivin sensitized EU-4 cells to apoptosis induced by chemotherapeutic drug doxorubicin. We herein report a rare case of an immunocompetent elderly adult with gastrointestinal CMV infection that presented as a vanishing tumor at the cecum. We find that modification-specific antibodies are more promiscuous in their PTM recognition than expected and are highly influenced by neighboring PTMs. In this study, a significantly increasing incidence of type 1 diabetes was observed after reunification. The PMS group had more difficulty with everyday activities as compared with both the RRMS and HC group.

selegiline for depression australia post

Five PACAP derivatives were created with a photoreactive amino acid in the following peptide domains: either the disordered N-terminal or the helical C-terminal domain or a short loop region within the C-terminal helical domain of the peptide. Optimisation of the inactivated vaccine dose against heartwater and in vitro quantification of Ehrlichia ruminantium challenge material. Treatment of acne improves QoL, particularly in those with more depressive symptoms at the outset.

selegiline oral dosage for depression

The structure of 1 was established on the basis of chemical and spectral evidence. Predominance of clarithromycin-susceptible Mycobacterium massiliense subspecies: Characterization of the Mycobacterium abscessus complex at a tertiary acute care hospital. These strategies are used to describe examples of marital therapy discourse.

selegiline transdermal system side effects

A total of 41 differential proteins were found in HIV/HBV coinfected patients as compared to HIV mono-infected patients with or without HAART treatment, including 7 common HBV-regulated proteins. Pediatric nursing care includes the assessment of the youth and family context to effectively evaluate resource needs. Photonic functions are programmed by designing the interference of local waves in inhomogeneous resonant guided wave networks composed of power-splitting elements arranged at the nodes of a nonuniform waveguide network. Overexpressing DRIR in Arabidopsis also increased tolerance to drought and salt stress of the transgenic plants. The nurses perceived a lack of human resources in the studied EDs.

selegiline 2mg tablets

In a single dose study, doses of 2.5, 5, 10, 20, and 40 mg of DuP 753 or placebo were tested serially at one week intervals. Significance of physiological changes as experimental basis for setting up hygienic standards for food additives Concerns regarding AEs were apparently diverse but were systematically related to the personal experiences of the respondents.

selegiline hcl canine

In the statistical analysis linear regression studies were performed, and the, Spearman correlation coefficient and nonparametric test U of Mann-Whitney calculated. DNA variation in the metallothionein genes in wild rice Oryza rufipogon: relationship between DNA sequence polymorphism, codon bias and gene expression. A Retrospective Study on the Safety and Efficacy of Leflunomide in Dogs. Numerous experiments have indicated the important role of AM fungi in enhancing P uptake by plant.

selegiline high dosage of levothyroxine

In contrast, melanoma cells showed decreased DNA/protein interactions and greater genome susceptibility after exposure to cholera toxin or okadaic acid. In contrast, surfactant phospholipid synthesis is not impaired during CRH-KO lung development. Such comparisons are best made when the values of free parameters are discovered through some optimization procedure based on the specific data being fit (e.g., hill climbing), so that the comparisons hinge on the psychological mechanisms assumed by each model rather than being biased by using parameters that differ in quality across models with respect to the data being fit. Expression of lyt49 or lyt50 in Escherichia coli was shown to cause cell death and leakage of the intracellular enzyme isocitrate dehydrogenase into the growth medium without apparent lysis of the cells.

selegiline dosage life extension

Studying Molecular Interactions at the Single Bond Level with a Laminar Flow Chamber. We also found that the anti-FcgammaRIIA monoclonal antibody IV.3 inhibited pleckstrin phosphorylation and calcium mobilization induced by low, but not high, concentrations of thrombin. These approaches combine noninvasive tests such as ventilation/perfusion (V/Q) lung scanning, impedance plethysmography, and ultrasound, with invasive techniques such as venography and pulmonary angiography. Improved quality of life after sympathetic block for upper limb hyperhidrosis.

interaction between selegiline and demerol

An economic evaluation of the healthcare cost of tinnitus management in the UK. A prospective sample of 1,882 code 4 (life-threatening) tiered calls were collected over a six-month period from March 1, 1994, to August 31, 1994. Orthologues are genes in different species that are related through divergent evolution from a common ancestor and are expected to have similar functions. Given the increased attention health centers are now receiving over expansion efforts, questions over their quality of care and cost-effectiveness must be addressed.

selegiline patch ingredients for pizza

In addition to ventricular arrhythmias, various forms of supraventricular arrhythmias (SVA) and atrioventricular (AV) and intraventricular (IV) conduction disturbances occur also in acute myocardial infarction (AMI). Applying Permutation Tests and Multivariate Modification Indices to Configurally Invariant Models That Need Respecification. Oral contraceptives, breastfeeding and the risk of developing rheumatoid arthritis: results from the Swedish EIRA study.

Testimonials
Best
 Show Hide 
selegiline buy uk football 2011-07-06

Our data suggest that steroid therapy can be beneficial in the acute stage of OA-induced lung injury, but appears to be detrimental during loxof injection the early recovery stage, perhaps by inhibiting the repair process. Despite high DNase activities, huge amounts of total extracellular DNA were found in both the surface and subsurface sediment layers, suggesting reduced availability of the extracellular DNA pool to nuclease degradation.

selegiline dosage forms for geriatric patients 2014-01-01

iCAVE has modular structure that allows rapid development by addition of algorithms, datasets, or features without affecting other parts of the code. Besides its glycemic and lipid profile controlling effects, Vilda has a protective effect on heart function and tends to restore cardioprotective effects of IPostC on diabetic hearts. Participants were 12 children and adults with histories of physical myambutol manufacturer directory trauma, surgery, or learning disabilities. Efficacy of 188Re-herceptin radioimmunotherapy in nude mouse model of nasopharyngeal carcinoma We first report 2 patients in whom dural arteriovenous fistulae (dAVFs) developed after cerebral infarction.

selerin apteka online 2014-01-18

CART expression in the hypothalamus is increased in mice lacking melanocortin 4 receptor (Mc4r(-/-) mice). Primary percutaneous coronary intervention for inferior ST-segment elevation myocardial infarction in a patient supported by the HeartWare left ventricular assist device. Reactive oxygen species are required for the phagocytosis of myelin by macrophages. Kaposi equine omeprazole powder for children sarcoma herpesvirus (KSHV) infection is consistently associated with primary effusion lymphomas (PELs) that are non-Hodgkin lymphomas of B-cell origin. The effects of guided imagery on comfort of women with early stage breast cancer undergoing radiation therapy.

selegiline hcl tablets in uae 2018-07-25

Pullback atherectomy can be used effectively augmentin generic target to debulk coronary artery lesions. 2) The request must not stem from treatable discomfort, symptoms, and pain.

selegiline high dosage of levothyroxine 2010-11-06

Bud selection and apoptosis-like degradation of nuclei in yeast heterokaryons: a KAR1 effect. Voluntary liquorice ingestion increases blood pressure via increased volume load, elevated peripheral arterial resistance, and decreased aortic sulon technologies review 360 compliance. The alpha1D-AR was detected in areas of stroma and was abundantly present in blood vessels. Spleen cells from OVA Tg mice failed to efficiently produce OVA-specific IFN-gamma but displayed higher IL-4, IL-5 and IL-10 production when they received OVA(323-339) plus iTSA, compared with OVA Tg mice similarly co-injected with OVA(323-339) plus paTSA. Clinical training in the undergraduate medical course places multiple stressors on trainees, which have been held to lead to heightened distress, depression, suicide, substance misuse/abuse and poor mental health outcomes.

selegiline dogs side effects 2011-10-19

The goal of nonpharmacologic and pharmacologic therapy is to prevent the first fracture in any woman at risk for fracture. Bone tissue is highly vascularized due to the various roles bone blood vessels play in bone and bone marrow function. High aspect ratio three-dimensional nanostructures are of tremendous interest to a wide range of fields such as fluconazole side effects nhs mail photonics, plasmonics, fluid mechanics, and biology.

buy selegiline 10 mg 2019-10-07

HS1 (hematopoietic lineage cell-specific protein 1), a substrate of protein tyrosine kinases in lymphocytes, binds to F-actin, and promotes Arp2/3 complex-mediated actin pantoprazole sod dr 40 mg used for polymerization. The gynecologists consider it the duty of society and politics to provide for the compatibility of family and work. A normal female infant was delivered with Apgar scores of 9 at 1 min and 10 at 5 min. Involvement of paraspinal and limb muscles was evaluated in six patients with molecularly proven FSHD and a predominant bent spine phenotype.

selegiline hcl for depression 2010-01-28

Two Analogous Polyhedron-Based MOFs with para que sirve tomar citalopram dosage High Density of Lewis Basic Sites and Open Metal Sites: Significant CO2 Capture and Gas Selectivity Performance. We compared them to an untreated population-based control group to demonstrate the effectiveness of the intervention.

selegiline dosage forms of crestor 2018-08-20

We identified 212 strains that showed altered ionome clarithromycin 500 uses profiles when grown on a rich growth medium. Since solvents of petroleum origin are now strictly regulated worldwide, there is a growing demand for using greener, bio-based and renewable solvents for extraction, purification and formulation of natural and food products. We propose a semiparametric model that assumes that the four tumor transition rates are proportional to each other and can be described by a known parametric function.