来源:BMC Pregnancy and Childbirth , 2017
作者:Mohammed Zemedu;Tsegaye Ademe;Serena Menozzi;等
关键词:Ambulance;EmONC;...
使用许可:CC BY
来源:BMC Pregnancy and Childbirth , 2016
作者:Oona M. R. Campbell;Pat Doyle;G. V. R. Rao;等
关键词:Ambulance;Obstetric emergency;...
使用许可:CC BY