1. Trends in contraceptive use in the United States: 1982-1995;Piccinino;Fam Plann Perspect.,1998
2. Contraceptive Use,2000
3. Oral contraceptive risk assessment: a survey of 247 educated women;Peipert;Obstet Gynecol.,1993
4. Perceptions of contraceptive effectiveness and health effects of oral contraception;Tessler;Womens Health Issues.,1997
5. The pill: combined oral contraceptives;Hatcher,1998