Angina PectorisAngina, UnstableAngina Pectoris, VariantAngina, StableMicrovascular AnginaCoronary AngiographyNitroglycerinCounterpulsationMyocardial InfarctionCoronary VasospasmExercise TestCoronary DiseaseElectrocardiographyCoronary Artery DiseaseMyocardial IschemiaErgonovineIsosorbide DinitrateOxyfedrineCoronary VesselsLudwig's AnginaFollow-Up StudiesProspective StudiesChest PainAngioplasty, Balloon, CoronaryAdrenergic beta-AntagonistsRisk FactorsAcetanilidesAmino AlcoholsMyocardial RevascularizationAtherectomy, CoronaryNifedipineDouble-Blind MethodPhysical ExertionCoronary Artery BypassMetoprololAcute Coronary SyndromePropranololTreatment OutcomeCineangiographyElectrocardiography, AmbulatoryPrognosisCoronary CirculationHeart RateBiological MarkersNicorandilPractololVasodilator AgentsAngiocardiographyTime FactorsCalcium Channel BlockersClinical Trials as TopicOxprenololPhonocardiographyAtenololUltrasonography, InterventionalPlaque, AtheroscleroticSympatholyticsVerapamilPropiophenonesC-Reactive ProteinCoronary StenosisCardiovascular AgentsRecurrenceBlood PressureGenetic VariationPredictive Value of TestsTroponin TCardiac CatheterizationCoronary ThrombosisPlacebosSpinal Cord StimulationSeverity of Illness IndexCase-Control StudiesLaser TherapyHemodynamicsCollateral CirculationFibrinolysisPropanolaminesExercise ToleranceHeartChronic DiseaseElectric Stimulation TherapyTrimetazidineDrug Therapy, CombinationPlatelet Aggregation InhibitorsStentsLabetalolDiltiazemNeopterinChi-Square DistributionDelayed-Action PreparationsRetrospective StudiesDipyridamoleRegression AnalysisSyndromeCreatine KinasePindololStroke VolumeRisk AssessmentFibrinogen