2Huancahuari N.Emergencies in Early Pregnancy.Emergency medicine clinics of North America,2012,30:837-847. 被引量:1
3El Behery MM,Siam S,Seksaka MA,et al.Reproductive performance in the next pregnancy for nulliparous women with history of first trimester spontaneous abortion.Archives of gynecology and obstetrics,2013,288:939-944. 被引量:1
4Nguyen T,Bracken H,Blum J,et al.Acceptability and feasibility of phone follow-up after early medical abortion in vietnam A randomized controlled trial.Obstetrics and Gynecology:Journal of the American College of Obstetricians and Gynecologists,2014,123:88-95. 被引量:1