title: Letter: Thromboembolism and oral contraceptives.
mesh_terms: D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D011655:Pulmonary Embolism / Q000139:chemically induced*; D013923:Thromboembolism / Q000139:chemically induced*
chemical_list: D003276:Contraceptives, Oral