VerapamilInjectionsCalcium Channel BlockersDiltiazemInjections, IntravenousInjections, IntramuscularInjections, IntralesionalP-GlycoproteinInjections, SubcutaneousInjections, Intra-ArticularInjections, IntraperitonealDose-Response Relationship, DrugInjections, Intra-ArterialCalciumInjections, IntradermalDrug ResistanceInjections, EpiduralInjections, IntraventricularTime FactorsRats, Sprague-DawleyDogsIntravitreal InjectionsInjections, SpinalDrug InteractionsNitrendipineInjections, JetNicardipineAnti-Arrhythmia AgentsInjections, IntraocularRabbitsDaunorubicinRats, Inbred StrainsCinnarizineQuinidineRats, WistarFlunarizineDrug Resistance, MultipleDisease Models, AnimalFlow Injection AnalysisMicroinjectionsBlood PressureCalcium ChlorideRhodamine 123Anesthesia, IntratrachealHeart RateDoxorubicinBepridilVasodilator AgentsLidocaineCalcium ChannelsDepression, ChemicalGuinea PigsSubstance Abuse, IntravenousKineticsPotassiumSperm Injections, IntracytoplasmicMuscle ContractionVinblastine