3Natale A,Condiani M,Merlo D,et al.Human chorionix gonadotropin level as a predictor of trophoblastic infilfration into the tubal wall in ectopic pregnancy:a blinded study[J].Fertil Steril,2003,79(4):981.
4Perdu M,Camus E,Rozenberg P,et al.Treating ectopic pregnancy with the combination of mifepristone and methotrenate:a phase Ⅱnonrandomized study[J].Am I obstet Gynecol,1998,179:640.
5Gross I,Rodriguez J J,Stalnaker B L.Ectopic Pregnancy:nonsurgical,outpatient evaluation and single-dose methotrenate treatment[J].J Reprod Med,1995,40:371.
