June 2003 Extending the time limit for starting the Yuzpe regimen of emergency contraception to 120 hours
March 2003 Effectiveness of the Yuzpe regimen of emergency contraception by cycle day of intercourse: Implications for mechanism of action
December 2002 Knowledge and attitudes about the differences between emergency contraception and medical abortion among middle-class women and men of reproductive age in Mexico City
November 2002 Policy climate, scholarship, and provision of emergency contraception at affiliates of the International Planned Parenthood Federation in Latin America and the Caribbean
October 2002 Information campaign and advocacy efforts to promote access to emergency contraception in Mexico