1. Long-acting injectable formulations;Hall,1987
2. Reproductive health: a key to a brighter future;Special Programme of Research Development and Research Training in Human Reproduction,1992
3. Oral contraceptives and neoplasia: report of a WHO scientific group,1992
4. Depot-medroxyprogesterone (DMPA) and cancer;World Health Organization,1993
5. Depot-medroxyprogesterone acetate (DMPA) and risk of endometrial cancer;Collaborative Study of Neoplasia and Steroid Contraceptives;Int J Cancer,1991