TY - Front. Med. A1 - Chaoran Dou, Qin Li, Tao Ying, Yulin Yan, Xia Wang, Bing Hu T1 - Determining “abnormal” levator hiatus distensibility using three-dimensional transperineal ultrasound in Chinese women Y1 - 2018-09-29 JF - Frontiers of Medicine JO - Front. Med. SP - 572 EP - 579 VL - 12 IS - 5 UR - https://journal.hep.com.cn/fmd N1 - 10.1007/s11684-017-0561-4 ER -