MetoprololAtenololAdrenergic beta-AntagonistsPropanolaminesAdrenergic beta-1 Receptor AntagonistsPropranololHeart RateCarbazolesDouble-Blind MethodPindololOxprenololCeliprololDelayed-Action PreparationsBlood PressureAcebutololBetaxololHypertensionAntihypertensive AgentsReceptors, Adrenergic, betaPhysical ExertionNadololLabetalolReceptors, Adrenergic, beta-1DebrisoquinChlorthalidoneHydrochlorothiazideBisoprololClinical Trials as TopicRandom AllocationButoxamineDrug Therapy, CombinationHemodynamicsDrug InteractionsNifedipineAdrenergic beta-AgonistsXamoterolEthanolaminesPractololBendroflumethiazideBenzopyransIsoproterenolCytochrome P-450 CYP2D6PulseCross-Over StudiesTremorAdrenergic AntagonistsFelodipineSotalolAnti-Arrhythmia AgentsAngina PectorisAdrenergic beta-1 Receptor AgonistsAmlodipineAdrenergic beta-2 Receptor AntagonistsExercise TestDoxazosinHeart Failure