1. Injectable Hormonal Contraceptives;World Health Organization,1982
2. Long-acting injectable contraception with depot medroxyprogesterone acetate;Kaunitz;Am J Obstet Gynecol,1994
3. Gestagen Methods (Depo-Provera, Mini-pill and Norplant);Landgren,1994
4. Hormonal Contraception;American College of Obstetricians and Gynecologists (ACOG),1994
5. Depot medroxyprogesterone in the management of benign prostatic hyperplasia;Onu;Eur Urol,1995