Oral contraceptives and the risk of thrombosis.
D000328:Adult; D000367:Age Factors; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004617:Embolism / Q000209:etiology*; D005260:Female; D006801:Humans; D012306:Risk; D013927:Thrombosis / Q000209:etiology*
D003276:Contraceptives, Oral