The transnational study on oral contraceptives and the health of young women. Methods, results, new analyses and the healthy user effect - Lewis, M. (Human reproduction update, 1999)
Keywords: Adolescent; Adult; Brain Ischemia - chemically induced; Case-Control Studies; Contraceptives, Oral - adverse effects; Female; Humans; Models, Theoretical; Myocardial Infarction - chemically induced; Proportional Hazards Models; Reference Values; Risk Factors; Stroke - chemically induced; Thromboembolism - chemically induced; United Kingdom; Venous Thrombosis - chemically induced; Women's Health