MetoprololAdrenergic beta-AntagonistsInjectionsPropanolaminesAdrenergic beta-1 Receptor AntagonistsAtenololCarbazolesDelayed-Action PreparationsPropranololInjections, IntravenousHeart RateOxprenololInjections, IntramuscularDouble-Blind MethodCeliprololDebrisoquinPindololInjections, IntralesionalInjections, SubcutaneousInjections, Intra-ArticularAcebutololCytochrome P-450 CYP2D6FelodipineBlood PressureInjections, IntraperitonealPhysical ExertionTime FactorsBenzopyransDrug InteractionsBisoprololReceptors, Adrenergic, beta-1ChlorthalidoneHeart FailureReceptors, Adrenergic, betaHemodynamicsRandom AllocationInjections, IntradermalInjections, EpiduralInjections, IntraventricularNadolol