1. ACOG practice bulletin. No. 73: Use of hormonal contraception in women with coexisting medical conditions;ACOG Committee on Practice Bulletins-Gynecology;Obstet Gynecol,2006
2. Managing Contraceptive Pill Patients;Dickey,2004
3. A Pocket Guide to Managing Contraception;Hatcher,2005
4. Noncontraceptive benefits and therapeutic uses of the oral contraceptive pill;Dayal;Semin Reprod Med,2001