2Larsen JV,Solomon MH.Pregnancy in a uterine scar sacculus-An unusual cause of postabortal haemorrhage[J].S Afr Med J,1978,53(2):142.
3Seow KM,Cheng WC,Chuang J,et al.Methotrexate for cesarean scar pregnancy after in vitro fertilization and embryo transfer.A case report[J].J Reprod Med,2000,45(3):754.
4Lai YM,Lee JD,Lee CH,et al.An ectopic pregnancy embedded in the myometrium of a previous cesarean section scar[J].Acta Obstet Gynecol Scand,1995,74(3):573.
5Gobin PA,Bassil S,Donnez J.An ectopic pregnancy developing in a previous cesarean section scar[J].Fertil Steril,1997,67(2):398.