Epidemiologic studies of coronary heart disease: two approaches.
D000328:Adult; D003153:Community Health Services; D003276:Contraceptives, Oral / Q000009:adverse effects; D003327:Coronary Disease / Q000453:epidemiology* / Q000517:prevention & control; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008019:Life Style; D009203:Myocardial Infarction / Q000209:etiology; D012907:Smoking; D014481:United States
D003276:Contraceptives, Oral