Sun Hsu-Dong, Tsai Chien-Chen, Hsiao Sheng-Mou, Wei Ming-Chew, Wang Kuan-Chin, Wang Peng-Hui
Department of Obstetrics and Gynecology, Far Eastern Memorial Hospital, Ban-Ciao, New Taipei City, Taiwan.
Taiwan J Obstet Gynecol. 2012 Sep;51(3):443-5. doi: 10.1016/j.tjog.2012.07.024.