RT Journal Article SR Electronic T1 A randomised study comparing a low dose of mifepristone and the Yuzpe regimen for emergency contraception. Ashok PW, et al. Br J Obstet Gynaecol 2002; 109: 553-560 JF Journal of Family Planning and Reproductive Health Care JO J Fam Plann Reprod Health Care FD British Medical Journal Publishing Group SP 222 OP 222 DO 10.1783/147118902101196694 VO 28 IS 4 A1 Michael Cox YR 2002 UL http://jfprhc.bmj.com/content/28/4/222.1.abstract AB