New estimates of the effectiveness of the Yuzpe regimen of emergency contraceptionJames Trussell, Charlotte Ellertson|Contraception|1998Cited by 187
Clinical Breast and Pelvic Examination Requirements for Hormonal ContraceptionFelicia H. Stewart, James Trussell, George F. Sawaya et al.|JAMA|2001Cited by 165
Updated estimates of the effectiveness of the Yuzpe regimen of emergency contraceptionJames Trussell, Charlotte Ellertson, Germán Rodrı́guez|Contraception|1999Cited by 160
The Effectiveness of the Yuzpe Regimen of Emergency ContraceptionJames Trussell, Felicia Stewart, Charlotte Ellertson|Family Planning Perspectives|1996Cited by 137
Estimating the effectiveness of emergency contraceptive pillsJames Trussell, Clare Leadbetter, Helena von Hertzen et al.|Contraception|2003Cited by 133