Chen Pu, Yeh Chang-Ching, Lee Fa-Kung, Teng Sen-Wen, Chang Wen-Hsun, Wang Kuan-Chin, Wang Peng-Hui
Department of Obstetrics and Gynecology, Cardinal Tien Hospital-Hsintien, New Taipei City, Taiwan.
Taiwan J Obstet Gynecol. 2012 Sep;51(3):446-8. doi: 10.1016/j.tjog.2012.07.025.