Administration, OralHalf-LifeInjections, IntravenousDose-Response Relationship, DrugRadioactivityTissue DistributionArea Under CurveEphedraTime FactorsPyrazolonesRats, Sprague-DawleyBiotransformationLiverBiological AvailabilityCarbon RadioisotopesMetabolic Clearance RateChromatography, High Pressure LiquidCefmetazoleDrug Administration RoutesDrug InteractionsPortulacaCross-Over StudiesCefotetanDrug Administration ScheduleBenzphetamineProdrugsInjections, IntramuscularAutoradiographyBileTablets, Enteric-CoatedRats, WistarInfusions, IntravenousAmphetamineRats, Inbred StrainsInjections, IntraperitonealAmphetaminesDogsMice, Inbred C57BLKidneyStereoisomerismKineticsBrainGas Chromatography-Mass SpectrometryMice, Inbred BALB CDrug CombinationsDouble-Blind MethodFood-Drug InteractionsDisease Models, AnimalMidazolamTritiumAbsorptionRabbitsBlood PressureFecesIodine RadioisotopesIntestinal AbsorptionIndansRats, Inbred F344LungSpleenMice, Inbred StrainsDelayed-Action PreparationsHeart RateVaccines, CombinedBehavior, AnimalPlant ExtractsPyridinesAntibodies, MonoclonalAnalysis of VariancePiperidinesBody WeightAcetamidesRandom AllocationEthanolCarbon IsotopesDrug Evaluation, PreclinicalPregnancyUnited States Food and Drug AdministrationModels, BiologicalRecombinant ProteinsAnti-Bacterial AgentsGenetic VectorsEnzyme InhibitorsTreatment OutcomeRNA, MessengerMacaca mulattaRadioisotopesAntineoplastic AgentsAnesthesiaHydrocortisoneMice, KnockoutSerotoninImidazolesAnimals, NewbornIsotope LabelingLiposomesProgesteroneGenetic TherapyCattleCarcinogens