Author/Authors :
SONG ، Jie Department of Obstetrics - Hainan General Hospital , LAN ، Ruihong Department of Obstetrics - Hainan General Hospital , GONG ، Humin Department of Obstetrics - Hainan General Hospital , ZHENG ، Linmei Department of Obstetrics - Hainan General Hospital , YANG ، Yang Department of Obstetrics - Hainan General Hospital , YI ، Dahua Department of Obstetrics - Hainan General Hospital , HU ، Enze Department of Pharmacy - Sixth Hospital of Wuhan