1. Alan Guttmacher Institute (AGI). (2005). State Policies in Brief: Access to Emergency Contraception, February 1, 2005. Available: http://www.agi-usa.org/pubs/spib_EC.pdf. Accessed February 23, 2005.
2. Brownfield v. Freeman Marina Hospital. 208 Cal. App. 3d 405 (1989).
3. Second Chance Denied: Emergency Contraception in Catholic Hospital Emergency Rooms. A national survey conducted by Ibis Reproductive Health for Catholics for a Free Choice,2002
4. Catholic Health Care,2003
5. Extending the time limit for starting the Yuzpe regimen of emergency contraception to 120 hours;Ellertson;Obstetrics and Gynecology,2003