MetoprololAdrenergic beta-AntagonistsPropanolaminesAdrenergic beta-1 Receptor AntagonistsAtenololCarbazolesPropranololDelayed-Action PreparationsOxprenololHeart RateCeliprololDouble-Blind MethodDebrisoquinPindololAcebutololCytochrome P-450 CYP2D6FelodipinePhysical ExertionBisoprololBlood PressureReceptors, Adrenergic, beta-1BenzopyransChlorthalidoneHeart FailureReceptors, Adrenergic, beta