1. Emergency oral contraception;American College of Obstetricians and Gynecologists,2001
2. How can pharmacies improve access to emergency contraception?;Boggess;Perspectives on Sexual and Reproductive Health,2002
3. Benefits of contraception to women's health;Burkman;University of Southern California: Dialogues in Contraception,2006
4. Fertility, family planning and reproductive health of US women;Centers for Disease Control and Prevention;Vital and Health Statistics,2005
5. Emergency contraception;Corbett;American Academy of Nurse Practitioners,2006