The First Clinical Medical College of Lanzhou University,Lanzhou 730030,China(HUANG Xia,YANG Juan);Department of Obstetrics and Gynecology, The First Hospital of Lanzhou University, Lanzhou 730030, China(YANG Yong-xiu)
HUANG Xia,YANG Juan,YANG Yong-xiu. Current Research Progress of Labor Analgesia[J]. Journal of International Obstetrics and Gynecology, 2017, 44(2): 197-201.