R. Gehring

发表

A network-based approach for resistance transmission in bacterial populations.

P. Schumm, C. Scoglio, R. Gehring, 2010, Journal of theoretical biology.

Attenuation of acute plasma cortisol response in calves following intravenous sodium salicylate administration prior to castration.

R. Gehring, J. Coetzee, D. Thomson, 2007, Journal of veterinary pharmacology and therapeutics.

Tumor necrosis factor alpha increases P‐glycoprotein expression in a BME‐UV in vitro model of mammary epithelial cells

R. Gehring, D. van der Merwe, M. Al-bataineh, 2010, Biopharmaceutics & drug disposition.

Mathematical modeling and simulation in animal health - Part II: principles, methods, applications, and value of physiologically based pharmacokinetic modeling in veterinary medicine and food safety assessment.

R. Gehring, T. Lavé, J. Mochel, 2016, Journal of veterinary pharmacology and therapeutics.

Mathematical modeling and simulation in animal health. Part III: Using nonlinear mixed‐effects to characterize and quantify variability in drug pharmacokinetics

P. Toutain, R. Gehring, D. Concordet, 2018, Journal of veterinary pharmacology and therapeutics.

Modelling Shows the Negative Impact of Age Dependent Pharmacokinetics on the Efficacy of Oxytetracycline in Young Steers

R. Gehring, P. Hekman, J. Schefferlie, 2022, Frontiers in Veterinary Science.

Drug residues in poultry meat: A literature review of commonly used veterinary antibacterials and anthelmintics used in poultry

R. Gehring, M. Pitesky, L. Tell, 2018, Journal of veterinary pharmacology and therapeutics.

From theory to practice: integrating instructional technology into veterinary medical education.

R. Gehring, B. Rush, Melinda Wilkerson, 2013, Journal of veterinary medical education.

Plasma concentrations of substance P and cortisol in beef calves after castration or simulated castration.

R. Gehring, J. Coetzee, D. Thomson, 2008, American journal of veterinary research.

Induction of gut leakage in young broiler chickens fed a diet with low rye inclusion

R. Gehring, R. Santos, M. Tersteeg-Zijderveld, 2021, Heliyon.

Susceptibility of Broiler Chickens to Deoxynivalenol Exposure via Artificial or Natural Dietary Contamination

R. Gehring, R. Santos, M. Mézes, 2021, Animals : an open access journal from MDPI.

Limitations of MIC as sole metric of pharmacodynamic response across the range of antimicrobial susceptibilities within a single bacterial species

R. Gehring, J. Riviere, V. Volkova, 2016, Scientific Reports.

A framework for meta-analysis of veterinary drug pharmacokinetic data using mixed effect modeling.

R. Gehring, J. Riviere, Zhoumeng Lin, 2015, Journal of pharmaceutical sciences.

Impact of oral meloxicam administered alone or in combination with gabapentin on experimentally induced lameness in beef calves.

R. Gehring, J. Coetzee, B. Kukanich, 2014, Journal of animal science.

Pharmacokinetics and milk secretion of gabapentin and meloxicam co-administered orally in Holstein-Friesian cows.

R. Gehring, J. Coetzee, B. Kukanich, 2013, Journal of veterinary pharmacology and therapeutics.

Insights into In Vivo Absolute Oral Bioavailability, Biotransformation, and Toxicokinetics of Zearalenone, α-Zearalenol, β-Zearalenol, Zearalenone-14-glucoside, and Zearalenone-14-sulfate in Pigs.

R. Gehring, S. de Saeger, S. Croubels, 2019, Journal of agricultural and food chemistry.

Bioequivalence & Bioavailability

R. Gehring, S. Gharaibeh, E. Abu-Basha, 2012 .

Pharmacokinetics of Mequindox and Its Marker Residue 1,4-Bisdesoxymequindox in Swine Following Multiple Oral Gavage and Intramuscular Administration: An Experimental Study Coupled with Population Physiologically Based Pharmacokinetic Modeling.

R. Gehring, J. Riviere, B. Fang, 2017, Journal of agricultural and food chemistry.

Single-Dose Pharmacokinetics of Piperacillin/Tazobactam in Hispaniolan Amazon Parrots (Amazona ventralis)

R. Gehring, T. Tully, J. W. Carpenter, 2017, Journal of Avian Medicine and Surgery.

Population pharmacokinetics of a single intramuscular administration of tulathromycin in adult desert tortoises (Gopherus agassizii).

R. Gehring, L. Tell, N. Lamberski, 2014, Journal of veterinary pharmacology and therapeutics.

Considerations for extralabel drug use in calves.

R. Gehring, G. Ragan, J. Riviere, 2017, Journal of the American Veterinary Medical Association.

Pharmacokinetics and pharmacodynamics of gamithromycin in pulmonary epithelial lining fluid in naturally occurring bovine respiratory disease in multisource commingled feedlot cattle.

D. Harhay, R. Gehring, B. Kukanich, 2016, Journal of veterinary pharmacology and therapeutics.

Potential of ESBL-producing Escherichia coli selection in bovine feces after intramammary administration of first generation cephalosporins using in vitro experiments

Aldert L. Zomer, R. Gehring, A. Zomer, 2022, Scientific Reports.

Amphotericin B concentrations in healthy mallard ducks (Anas platyrhynchos) following a single intratracheal dose of liposomal amphotericin B using an atomizer

R. Gehring, J. Delplanque, D. Stevens, 2018, Medical mycology.

Effect of sub-anesthetic xylazine and ketamine ('ketamine stun') administered to calves immediately prior to castration.

R. Gehring, J. Coetzee, D. Anderson, 2010, Veterinary anaesthesia and analgesia.

Pharmacokinetics and bioavailability of ketoprofen when compounded with iron dextran for use in nursing piglets.

R. Gehring, T. O’Sullivan, R. Friendship, 2021, The Canadian veterinary journal = La revue veterinaire canadienne.

Limitations of MIC as the sole criterion in antimicrobial drug dosage regimen design: the need for full characterization of antimicrobial pharmacodynamic profile especially for drug-resistant organisms.

R. Gehring, J. Riviere, 2013, Veterinary journal.

Effect of formulation and route of administration on tissue residues and withdrawal times.

R. Gehring, B. Kukanich, J. Riviere, 2005, Journal of the American Veterinary Medical Association.

Pharmacokinetics of oral meloxicam in ruminant and preruminant calves.

R. Gehring, J. Coetzee, B. Kukanich, 2012, Journal of veterinary pharmacology and therapeutics.

Vaccination mitigates the impact of PRRSv infection on the pharmacokinetics of ceftiofur crystalline‐free acid in pigs

R. Gehring, J. Coetzee, L. Karriker, 2017, Journal of veterinary pharmacology and therapeutics.

Impact of an experimental PRRSV and Streptococcus suis coinfection on the pharmacokinetics of ceftiofur hydrochloride after intramuscular injection in pigs.

R. Gehring, J. Coetzee, K. Stalder, 2015, Journal of veterinary pharmacology and therapeutics.

The Medicinal Use of Native North American Plants in Domestic Animals

R. Gehring, K. Kindscher, 2010 .

Bioavailability of suppository acetaminophen in healthy and hospitalized ill dogs

R. Gehring, B. Kukanich, J. Bach, 2018, Journal of veterinary pharmacology and therapeutics.

Variation in fluoroquinolone pharmacodynamic parameter values among isolates of two bacterial pathogens of bovine respiratory disease

R. Gehring, J. Riviere, B. Lubbers, 2018, Scientific Reports.

Pharmacokinetics and tissue disposition of meloxicam in beef calves after repeated oral administration.

R. Gehring, J. Coetzee, B. Kukanich, 2015, Journal of veterinary pharmacology and therapeutics.

A Holstein cow-calf model for the transfer of ciprofloxacin through milk after a long-term intravenous infusion.

R. Gehring, O. A. Chiesa, D. Heller, 2013, Journal of veterinary pharmacology and therapeutics.

Challenges associated with the demonstration of bioequivalence of intramammary products in ruminants.

R. Gehring, S. Soback, T. Whittem, 2012, Journal of veterinary pharmacology and therapeutics.

Pharmacokinetics of a single dose of voriconazole administered orally with and without food to red-tailed hawks (Buteo jamaicensus).

R. Gehring, L. Tell, Ruth A Parsley, 2017, American journal of veterinary research.

Application of different pharmacokinetic models to describe and predict pharmacokinetics of voriconazole in magellanic penguins following oral administration

R. Gehring, L. Tell, F. Taverne, 2018, Journal of veterinary pharmacology and therapeutics.

Is the use o f Gunnera perpensa extracts in endometritis related to antibacterial activity?

R. Gehring, J. Eloff, L. McGaw, 2005, The Onderstepoort journal of veterinary research.

Update on FARAD food animal drug withholding recommendations.

R. Gehring, J. Riviere, A. Craigmill, 2003, Journal of the American Veterinary Medical Association.

The effects of firocoxib on cautery disbudding pain and stress responses in preweaned dairy calves.

R. Gehring, J. Coetzee, W. Hsu, 2015, Journal of dairy science.

Evaluation of an extended-release formulation of ceftiofur crystalline-free acid in koi (Cyprinus carpio).

R. Gehring, L. Tell, J. Groff, 2015, Journal of veterinary pharmacology and therapeutics.

Alfaxalone total intravenous anaesthesia in dogs: pharmacokinetics, cardiovascular data and recovery characteristics.

R. Gehring, L. Duchateau, S. Croubels, 2019, Veterinary anaesthesia and analgesia.

Oral doxycycline pharmacokinetics: Lambs in comparison with sheep.

R. Gehring, A. Milanova, R. Mileva, 2020, Journal of veterinary pharmacology and therapeutics.

Evaluation of a commercially available molybdate formulation and zinc oxide boluses in preventing hepatic copper accumulation and thus enzootic icterus in sheep.

R. Gehring, D. van der Merwe, C. Botha, 2001, Journal of the South African Veterinary Association.

Venusol from Gunnera perpensa: structural and activity studies.

R. Gehring, Xolani K Peter, F. V. van Heerden, 2004, Phytochemistry.

Health concerns and management of select veterinary drug residues.

Jim E Riviere, Ronald E Baynes, Ronette Gehring, 2016, Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association.

Avoiding violative flunixin meglumine residues in cattle and swine.

R. Gehring, J. Riviere, L. Tell, 2017, Journal of the American Veterinary Medical Association.

Pharmacokinetics and tissue elimination of flunixin in veal calves.

R. Gehring, J. Riviere, L. Tell, 2016, American journal of veterinary research.

Development and application of a population physiologically based pharmacokinetic model for penicillin G in swine and cattle for food safety assessment.

R. Gehring, J. Riviere, Zhoumeng Lin, 2017, Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association.

The efficacy of subcutaneous slow‐release melatonin implants in the prevention of canine flank alopecia recurrence is uncertain: A double‐blind, randomized, placebo‐controlled study

R. Gehring, Yvette M Schlotter, I. V. van Geijlswijk, 2022, Veterinary dermatology.

Comparative pharmacokinetics and bioavailability of two tylosin formulations in chickens after oral administration

R. Gehring, E. Abu-Basha, A. F. Al-Shunnaq, 2017 .

Pharmacokinetics and bioavailability of sulfadiazine and trimethoprim following intravenous, intramuscular and oral administration in ostriches (Struthio camelus).

R. Gehring, N. Idkaidek, E. Abu-Basha, 2009, Journal of veterinary pharmacology and therapeutics.

Egg residue considerations during the treatment of backyard poultry.

R. Gehring, J. Riviere, L. Tell, 2015, Journal of the American Veterinary Medical Association.

Difference in the PK of ceftiofur in the presence and absence of nimesulide and implications for dose determination through PK/PD integration

R. Gehring, S. Sharma, G. Kaur, 2018 .

Plasma Concentrations of Fentanyl Achieved With Transdermal Application in Chickens

R. Gehring, A. Negrusz, K. Gamble, 2017, Journal of Avian Medicine and Surgery.

Penetration of topically administered dexamethasone disodium phosphate and prednisolone acetate into the normal equine ocular fluids

R. Gehring, Els M H van den Berg, H. Brommer, 2020, Equine veterinary journal.

Pharmacokinetics and Bioequivalence Comparison of 600 mg Single-DoseLinezolid Oral Suspension and Tablet Formulation in Healthy ChineseSubjects

R. Gehring, S. Gharaibeh, E. Abu-Basha, 2014 .

Pharmacokinetics and bioavailability of spectinomycin after i.v., i.m., s.c. and oral administration in broiler chickens.

R. Gehring, E. Abu-Basha, S. J. Albwa'neh, 2007, Journal of veterinary pharmacology and therapeutics.

Development and application of a multiroute physiologically based pharmacokinetic model for oxytetracycline in dogs and humans.

R. Gehring, J. Riviere, Zhoumeng Lin, 2015, Journal of pharmaceutical sciences.

Macrolide Resistance and In Vitro Potentiation by Peptidomimetics in Porcine Clinical Escherichia coli

R. Gehring, L. Guardabassi, H. Franzyk, 2022, mSphere.

An overview of factors affecting the disposition of intramammary preparations used to treat bovine mastitis.

R. Gehring, G. Smith, 2006, Journal of veterinary pharmacology and therapeutics.

Population variability in animal health: Influence on dose-exposure-response relationships: Part II: Modelling and simulation.

R. Gehring, J. Mochel, D. Pade, 2018, Journal of veterinary pharmacology and therapeutics.

Pharmacokinetics of Gentamicin C1, C1a, C2 and C2a in Broiler Chickens after IV, IM, SC and Oral Administration

R. Gehring, E. Abu-Basha, A. F. Al-Shunnaq, 2013 .

Hot topic: Early postpartum treatment of commercial dairy cows with nonsteroidal antiinflammatory drugs increases whole-lactation milk yield.

R. Gehring, J. Coetzee, B. Bradford, 2016, Journal of dairy science.

Pharmacokinetics of imidocarb dipropionate in white-tailed deer (Odocoileus virginianus) after single intramuscular administration.

R. Gehring, A. Hering, N. Nemeth, 2019, Journal of veterinary pharmacology and therapeutics.

Plasma atropine concentrations associated with decreased intestinal motility in horses

R. Gehring, M. Hedeland, C. Ekstrand, 2022, Frontiers in Veterinary Science.

Tramadol Steady-State Pharmacokinetics of Immediate-Release Capsules and Sustained-Release Tablets in Dogs

R. Gehring, M. Sturkenboom, I. V. van Geijlswijk, 2022, Future Pharmacology.

Comparative plasma and interstitial fluid pharmacokinetics of flunixin meglumine and ceftiofur hydrochloride following individual and co‐administration in dairy cows

R. Gehring, J. Coetzee, L. Wulf, 2018, Journal of veterinary pharmacology and therapeutics.

The disposition of trimethoprim and sulfadiazine in neonatal foals after intravenous administration

R. Gehring, U. Bondesson, C. Ekstrand, 2022, Veterinary medicine and science.

Pharmacokinetics and physiologic effects of intramuscularly administered xylazine hydrochloride-ketamine hydrochloride-butorphanol tartrate alone or in combination with orally administered sodium salicylate on biomarkers of pain in Holstein calves following castration and dehorning.

R. Gehring, J. Coetzee, S. Dritz, 2011, American journal of veterinary research.

Evaluation of PEG-L-asparaginase in asparagine suppression and anti-drug antibody development in healthy Beagle dogs: A multi-phase preclinical study.

R. Gehring, K. Vandemeulebroecke, T. Lammens, 2022, Veterinary journal.

Pharmacokinetics and effect of intravenous meloxicam in weaned Holstein calves following scoop dehorning without local anesthesia

R. Gehring, J. Coetzee, B. Kukanich, 2012, BMC Veterinary Research.

Interspecies Mixed-Effect Pharmacokinetic Modeling of Penicillin G in Cattle and Swine

R. Gehring, J. Riviere, L. Tell, 2014, Antimicrobial Agents and Chemotherapy.

Pharmacokinetics and bioavailability of tildipirosin following intravenous and subcutaneous administration in horses.

R. Gehring, Z. Bani Ismail, M. Ababneh, 2021, Journal of veterinary pharmacology and therapeutics.

Pharmacokinetics and Pharmacodynamics of Tildipirosin Against Pasteurella multocida in a Murine Lung Infection Model

R. Gehring, Z. Zeng, Zhoumeng Lin, 2018, Front. Microbiol..

Animal Health Modeling & Simulation Society: a new society promoting model-based approaches in veterinary pharmacology.

P. Toutain, R. Gehring, M. Fink, 2013, Journal of veterinary pharmacology and therapeutics.

Pharmacokinetics and electrophysiological effects of sotalol hydrochloride in horses

R. Gehring, S. Croubels, B. Broux, 2018, Equine veterinary journal.

Developmental Pharmacokinetics and Safety of Ibuprofen and Its Enantiomers in the Conventional Pig as Potential Pediatric Animal Model

R. Gehring, S. Croubels, K. Chiers, 2019, Front. Pharmacol..

Suspected post-vaccinal acute polyradiculoneuritis in a puppy.

R. Gehring, B. Eggars, 2001, Journal of the South African Veterinary Association.

Suspected adverse reactions to veterinary drugs reported in South Africa (January 1998 - February 2001).

R. Gehring, 2001, Journal of the South African Veterinary Association.

Comparative population pharmacokinetics and absolute oral bioavailability of COX-2 selective inhibitors celecoxib, mavacoxib and meloxicam in cockatiels (Nymphicus hollandicus)

R. Gehring, P. de Backer, S. Croubels, 2017, Scientific Reports.

Single-dose oral pharmacokinetics of pergolide mesylate in healthy adult mares.

R. Gehring, J. Coetzee, M. Apley, 2010, Veterinary therapeutics : research in applied veterinary medicine.

Effect of chronic lead intoxication on the distribution and elimination of amoxicillin in goats

R. Gehring, P. Murphy, W. Hsu, 2013, Journal of veterinary science.

Comparative Toxicokinetics and Plasma Protein Binding of Ochratoxin A in Four Avian Species.

R. Gehring, S. Croubels, S. De Baere, 2018, Journal of agricultural and food chemistry.

Pharmacokinetics of ketamine and its metabolite norketamine administered at a sub-anesthetic dose together with xylazine to calves prior to castration.

R. Gehring, J. Coetzee, M. Apley, 2009, Journal of veterinary pharmacology and therapeutics.

Comparative disposition of pharmacologic markers for cytochrome P-450 mediated metabolism, glomerular filtration rate, and extracellular and total body fluid volume of Greyhound and Beagle dogs.

R. Gehring, J. Coetzee, B. Kukanich, 2007, Journal of veterinary pharmacology and therapeutics.

Aminoglycoside residues in food of animal origin.

R. Gehring, J. Riviere, A. Craigmill, 2005, Journal of the American Veterinary Medical Association.

Effect of intravenous sodium salicylate administration prior to castration on plasma cortisol and electroencephalography parameters in calves.

R. Gehring, J. Coetzee, L. Murray, 2011, Journal of veterinary pharmacology and therapeutics.

Pharmacokinetics and Bioequivalence of Florfenicol Oral Solution Formulations (Flonicol® and Veterin®10%) in Broiler Chickens

R. Gehring, S. Gharaibeh, E. Abu-Basha, 2012 .

Estimation of residue depletion of cyadox and its marker residue in edible tissues of pigs using physiologically based pharmacokinetic modelling

R. Gehring, Lingli Huang, Zonghui Yuan, 2015, Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment.

Unmitigated Surgical Castration in Calves of Different Ages: Cortisol Concentrations, Heart Rate Variability, and Infrared Thermography Findings

N. Bello, R. Gehring, J. Coetzee, 2021, Animals : an open access journal from MDPI.

Prednisolone in Dogs—Plasma Exposure and White Blood Cell Response

R. Gehring, M. Hedeland, C. Ekstrand, 2021, Frontiers in Veterinary Science.

Pharmacokinetics of oral pimobendan in healthy cats.

R. Gehring, B. Kukanich, M. Borgarelli, 2012, Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology.

Probabilistic Physiologically Based Pharmacokinetic Model for Penicillin G in Milk From Dairy Cows Following Intramammary or Intramuscular Administrations

R. Gehring, J. Riviere, Zhoumeng Lin, 2018, Toxicological sciences : an official journal of the Society of Toxicology.

A study to assess the correlation between plasma, oral fluid and urine concentrations of flunixin meglumine with the tissue residue depletion profile in finishing-age swine

R. Gehring, J. Coetzee, J. Riviere, 2020, BMC Veterinary Research.

Elimination kinetics of ceftiofur hydrochloride after intramammary administration in lactating dairy cows.

R. Gehring, J. Riviere, R. Baynes, 2004, Journal of the American Veterinary Medical Association.

Pharmacokinetics of firocoxib in preweaned calves after oral and intravenous administration.

R. Gehring, J. Coetzee, L. Wulf, 2014, Journal of veterinary pharmacology and therapeutics.

Extralabel intramammary use of drugs in dairy cattle.

R. Gehring, J. Riviere, A. Craigmill, 2005, Journal of the American Veterinary Medical Association.

Guide to FARAD resources: historical and future perspectives.

Jim E Riviere, Lisa A Tell, Ronald E Baynes, 2017, Journal of the American Veterinary Medical Association.

Co-formulation of ketoprofen with tulathromycin alters pharmacokinetic and pharmacodynamic profile of ketoprofen in cattle.

R. Gehring, J. Boucher, J. De Koster, 2021, Journal of veterinary pharmacology and therapeutics.

Cultured mammary epithelial monolayers (BME-UV) express functional organic anion and cation transporters.

R. Gehring, D. van der Merwe, M. Al-bataineh, 2009, Journal of veterinary pharmacology and therapeutics.

Molecular and functional identification of organic anion transporter isoforms in cultured bovine mammary epithelial cells (BME-UV).

R. Gehring, D. van der Merwe, M. Al-bataineh, 2012, Journal of veterinary pharmacology and therapeutics.

Multivariate meta-analysis of pharmacokinetic studies of ampicillin trihydrate in cattle.

R. Gehring, D. van der Merwe, J. Riviere, 2005, American journal of veterinary research.

A web-based decision support system to estimate extended withdrawal intervals

Ronette Gehring, Ronald E. Baynes, J. Wang, 2004 .

An integrated experimental and physiologically based pharmacokinetic modeling study of penicillin G in heavy sows.

R. Gehring, J. Coetzee, J. Riviere, 2019, Journal of veterinary pharmacology and therapeutics.

Plasma pharmacokinetics of oral chlortetracycline in group fed, ruminating, Holstein steers in a feedlot setting.

R. Gehring, J. Coetzee, M. Apley, 2010, Journal of veterinary pharmacology and therapeutics.

Impact of carprofen administration on stress and nociception responses of calves to cautery dehorning.

R. Gehring, J. Coetzee, L. Wulf, 2016, Journal of animal science.

Estimation of tulathromycin depletion in plasma and milk after subcutaneous injection in lactating goats using a nonlinear mixed-effects pharmacokinetic modeling approach

R. Gehring, J. Riviere, L. Tell, 2016, BMC Veterinary Research.

Comparative Pharmacokinetics of Meloxicam Between Healthy Post-partum vs. Mid-lactation Dairy Cattle

R. Gehring, J. Coetzee, J. Mochel, 2020, Frontiers in Veterinary Science.

Comparison of milk and plasma pharmacokinetics of meloxicam in postpartum versus mid‐lactation Holstein cows

R. Gehring, J. Coetzee, J. Mochel, 2018, Journal of veterinary pharmacology and therapeutics.

Excretory, Secretory, and Tissue Residues after Label and Extra-label Administration of Flunixin Meglumine to Saline- or Lipopolysaccharide-Exposed Dairy Cows.

R. Gehring, J. Riviere, L. Tell, 2015, Journal of agricultural and food chemistry.

Assessing product bioequivalence for extended-release formulations and drugs with long half-lives.

R. Gehring, M. Martinez, 2012, Journal of veterinary pharmacology and therapeutics.

A physiologically based pharmacokinetic model of organophosphate dermal absorption.

R. Gehring, D. van der Merwe, N. Monteiro-Riviere, 2006, Toxicological sciences : an official journal of the Society of Toxicology.

Analysis of polymorphisms of canine Cytochrome P 450‐CYP2D15

R. Gehring, P. Leegwater, M. Vos-Loohuis, 2020, Journal of veterinary pharmacology and therapeutics.

Chapter 3 – Toxicokinetics

R. Gehring, J. Buur, D. V. D. Merwe, 2012 .

Analgesic efficacy of sodium salicylate in an amphotericin B-induced bovine synovitis-arthritis model.

R. Gehring, J. Coetzee, B. Kukanich, 2009, Journal of dairy science.

Ampicillin pharmacokinetics in swine following needle-free, intramuscular, and intravenous administration.

R. Gehring, J. Coetzee, L. Karriker, 2007, Journal of veterinary pharmacology and therapeutics.

Oil and petroleum product exposures to livestock

R. Gehring, J. Riviere, L. Tell, 2015 .