Assessing rare and delayed side-effects of contraceptive steroids.
D003276:Contraceptives, Oral / Q000009:adverse effects*; D004341:Drug Evaluation; D005260:Female; D005298:Fertility / Q000187:drug effects; D006801:Humans; D011446:Prospective Studies; D011655:Pulmonary Embolism / Q000139:chemically induced; D012189:Retrospective Studies; D013223:Statistics as Topic; D013923:Thromboembolism / Q000139:chemically induced; D013997:Time Factors
D003276:Contraceptives, Oral