Meng Jin-Lai, Gong Wei-Yan, Wang Shan, Ni Xiao-Jing, Zuo Chang-Ting, Gu Yong-Zhong
Department of Obstetrics and Gynecology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, China.
Int J Gynaecol Obstet. 2017 Sep;138(3):361-362. doi: 10.1002/ijgo.12199. Epub 2017 Jun 13.