Cui Ying について
Dep. of Obstetrics and Gynecology, Beijing Hospital of Ministry of Health, Beijing について
Ma Linlin について
Dep. of Obstetrics and Gynecology, Beijing Hospital of Ministry of Health, Beijing について
Zhou Dan について
Dep. of Obstetrics and Gynecology, Beijing Hospital of Ministry of Health, Beijing について
Zhonghua Laonian Yixue Zazhi について