Letter: Oral contraceptives in women over 34.
D000328:Adult; D000367:Age Factors; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D009203:Myocardial Infarction / Q000139:chemically induced*; D011247:Pregnancy
D003276:Contraceptives, Oral