RT Journal Article SR Electronic T1 EllaOne®: a second-generation emergency contraceptive? JF Journal of Family Planning and Reproductive Health Care JO J Fam Plann Reprod Health Care FD British Medical Journal Publishing Group SP 217 OP 218 DO 10.1783/147118909789587141 VO 35 IS 4 A1 Diana Mansour YR 2009 UL http://jfprhc.bmj.com/content/35/4/217.abstract AB