Angina, StableAngina PectorisAngina, UnstableCoronary AngiographyAngina Pectoris, VariantCoronary Artery DiseaseMyocardial InfarctionAngioplasty, Balloon, CoronaryMyocardial IschemiaCoronary DiseaseElectrocardiographyPlatelet Aggregation InhibitorsProspective StudiesBiological MarkersTreatment OutcomeNitroglycerinRisk FactorsExercise TestCoronary VesselsRisk AssessmentTime FactorsRegistriesIsosorbide DinitrateAtherectomy, CoronaryMicrovascular AnginaAcetanilidesAcute Coronary SyndromeCoronary VasospasmDouble-Blind MethodCounterpulsationPlaque, AtheroscleroticCardiovascular AgentsLudwig's AnginaAdrenergic beta-AntagonistsMyocardial RevascularizationFollow-Up StudiesMetoprololUltrasonography, InterventionalCoronary StenosisChronic DiseaseTrimetazidine