?:authorAffiliation
|
-
[\'Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, China.\', \'National Clinical Research Center for Obstetrical and Gynecology, Beijing, 100191, China.\', \'National Center for Healthcare Quality Management in Obstetrics, Beijing, 100191, China.\', \'Department of Maternal and Child Health, School of Public Health, Peking University, Beijing, 100191, China.\', \'Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, China. weiyuanbysy@163.com.\', \'National Clinical Research Center for Obstetrical and Gynecology, Beijing, 100191, China. weiyuanbysy@163.com.\', \'National Center for Healthcare Quality Management in Obstetrics, Beijing, 100191, China. weiyuanbysy@163.com.\', \'Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, China. zhaoyangyu@bjmu.edu.cn.\', \'National Clinical Research Center for Obstetrical and Gynecology, Beijing, 100191, China. zhaoyangyu@bjmu.edu.cn.\', \'National Center for Healthcare Quality Management in Obstetrics, Beijing, 100191, China. zhaoyangyu@bjmu.edu.cn.\', \'Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, China. jie.qiao@263.net.\', \'National Clinical Research Center for Obstetrical and Gynecology, Beijing, 100191, China. jie.qiao@263.net.\', \'National Center for Healthcare Quality Management in Obstetrics, Beijing, 100191, China. jie.qiao@263.net.\']
|