1. Contraceptive trends;WELLINGS;British Medical Journal,1984
2. Trends in cardiovascular disease mortality and oral contraceptives;MANN;British Journal of Family Planning,1981
3. A long-term follow-up study of women using different methods of contraception – an interim report;VESSEY;Journal of Biosocial Science,1976
4. The Oxford–Family Planning Association contraceptive study;VESSEY;Clinics in Obstetrics and Gynaecology,1984
5. ROYAL COLLEGE OF GENERAL PRACTITIONERS. Oral Contraceptives and Health. Pitman Medical, London (1974)