Two mifepristone doses and two intervals of misoprostol administration for termination of early pregnancy: a randomised factorial controlled equivalence trialBJOG: An International Journal of Obstetrics & Gynaecology
Volume 116, Issue 3, February 2009, Pages: 381–389, H von Hertzen, G Piaggio, D Wojdyla, L Marions, NT My Huong, OS Tang, AH Fang, SC Wu, L Kalmar, S Mittal, R Erdenetungalag, M Horga, A Pretnar-Darovec, A Kapamadzija, K Dickson, ND Anh, NV Tai, HTD Tuyet and A Peregoudov, WHO Research Group on Post-ovulatory Methods of Fertility Regulation
Article first published online : 21 JAN 2009, DOI: 10.1111/j.1471-0528.2008.02034.x