APA

von Hertzen H., Piaggio G., Ding J., Chen J., Song S., Bártfai G., Ng E., Gemzell-Danielsson K., Oyunbileg A., Wu S., Cheng W., Lüdicke F., Pretnar-Darovec A., Kirkman R., Mittal S., Khomassuridze A., Apter D. & Peregoudov A. (20030128). Low dose mifepristone and two regimens of levonorgestrel for emergency contraception: a WHO multicentre randomised trial. : Lancet (London, England).

Chicago

von Hertzen Helena, Piaggio Gilda, Ding Juhong, Chen Junling, Song Si, Bártfai György, Ng Ernest, Gemzell-Danielsson Kristina, Oyunbileg Amindavaa, Wu Shangchun, Cheng Weiyu, Lüdicke Frank, Pretnar-Darovec Alenka, Kirkman Rosemary, Mittal Suneeta, Khomassuridze Archil, Apter Dan and Peregoudov Alexandre. 20030128. Low dose mifepristone and two regimens of levonorgestrel for emergency contraception: a WHO multicentre randomised trial. : Lancet (London, England).

Harvard

von Hertzen H., Piaggio G., Ding J., Chen J., Song S., Bártfai G., Ng E., Gemzell-Danielsson K., Oyunbileg A., Wu S., Cheng W., Lüdicke F., Pretnar-Darovec A., Kirkman R., Mittal S., Khomassuridze A., Apter D. and Peregoudov A. (20030128). Low dose mifepristone and two regimens of levonorgestrel for emergency contraception: a WHO multicentre randomised trial. : Lancet (London, England).

MLA

von Hertzen Helena, Piaggio Gilda, Ding Juhong, Chen Junling, Song Si, Bártfai György, Ng Ernest, Gemzell-Danielsson Kristina, Oyunbileg Amindavaa, Wu Shangchun, Cheng Weiyu, Lüdicke Frank, Pretnar-Darovec Alenka, Kirkman Rosemary, Mittal Suneeta, Khomassuridze Archil, Apter Dan and Peregoudov Alexandre. Low dose mifepristone and two regimens of levonorgestrel for emergency contraception: a WHO multicentre randomised trial. : Lancet (London, England). 20030128.