Zhu Xin-Xin, Feng Zong-Hao, Liu Lin-Zhi, Zhang Yan
Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing 100034, China.
Department of Obstetrics and Gynecology, Beijing Tsinghua Changgung Hospital, Beijing 102218, China.
Chin Med J (Engl). 2021 Jan 19;134(5):576-578. doi: 10.1097/CM9.0000000000001363.