Journal of International Obstetrics and Gynecology
LI Jie;ZHAO Shu-wang;CUI Li-yang;FAN Ting-ting;YUE Tian-fu;ZHANG Li-qin;QIAO You-lin;WEI Li-hui.
Journal of International Obstetrics and Gynecology . 2010, (5): 370 -372 .