MetoprololAngina PectorisAngina, UnstableAdrenergic beta-AntagonistsAngina Pectoris, VariantPropanolaminesAngina, StableAdrenergic beta-1 Receptor AntagonistsAtenololCarbazolesMicrovascular AnginaPropranololDelayed-Action PreparationsDouble-Blind MethodHeart RateOxprenololLudwig's AnginaCeliprololCoronary VasospasmMyocardial InfarctionPindololExercise TestDebrisoquinElectrocardiographyCoronary AngiographyPhysical ExertionAcebutololCytochrome P-450 CYP2D6FelodipineBlood PressureCoronary DiseaseMyocardial IschemiaErgonovineTreatment OutcomeBisoprololHemodynamicsHeart FailureProspective StudiesPractololReceptors, Adrenergic, beta-1Electrocardiography, AmbulatoryBenzopyransFollow-Up StudiesLabetalolChlorthalidoneTime FactorsNitroglycerinReceptors, Adrenergic, betaCoronary VesselsDrug Interactions