NifedipineWaterWater SupplyCalcium Channel BlockersFresh WaterBody WaterWater PollutionWater PurificationDiltiazemWater Pollutants, ChemicalVerapamilWater PollutantsCalciumDihydropyridinesCalcium Channels, L-TypeCalcium ChannelsWater DeprivationDelayed-Action PreparationsGingival OvergrowthNicardipineWater MovementsWater SofteningCalcium Channel AgonistsBlood PressureDrinkingTocolytic AgentsAtenololAdministration, SublingualDose-Response Relationship, DrugMuscle ContractionVasodilator AgentsPotassiumHypertensionomega-Conotoxin GVIAFelodipineAquaporinsMembrane PotentialsPyridinesMibefradilMuscle, SmoothTime FactorsGuinea PigsHeart RatePotassium ChlorideMuscle, Smooth, VascularAngina PectorisRats, WistarRats, Sprague-DawleyDrug InteractionsTocolysisAmlodipineGallopamilNorepinephrineDouble-Blind MethodSeawaterNitrendipineSodiumWater-Electrolyte BalanceRiversNisoldipineWater WellsCytochrome P-450 CYP3AAntihypertensive AgentsRyanodineIsradipineVasoconstrictionRandom AllocationTemperatureCells, Cultured