2Fylstra DL.Tubal Pregnancy:a review of current diagnosis and treatment[J].Obstet Gynecol Sury,1998,53(5):320-328.
3Korhonen J, Stenman UH, Ylostalo P. Serum human chorionic gonadotrophin dynamics during spontaneous resolution of ectopic pregnancy[J]. Fertil Steril, 1994, 61:632.
4Barnhart KT, Gosman G, Ashby R, et al. The medical management of ectopic pregnancy: a meta-analysis comparing "single dose" and "multidose" regimens[J]. Obstet Gynecol,2003,101:778.
5Kooi S, Kock HC. A review of the literature on nonsurgical treatment in tubal pregnancies [J]. Obstet Gynecol Surv, 1992,47:739.
6Walden PAM, Bagshawe KD. Reproductive performance of women successfully treated for gestational trophoblastic tumors[J]. Am J Obstet Gynecol, 1976,125 : 1108.
7Rozenberg P, Chevret S, Camus E, et al. Medical treatment of ectopic pregnancies: a randomized clinical trial comparing methotrexate-mifepristone and methotrexate-placebo[J]. Hum Reprod,2003,18:1802.
8Condous G, Okaro E, Khalid A, et al. The accuracy of transvaginal ultrasonography for the diagnosis of ectopic pregnancy prior to surgery [J]. Hum Reprod, 2005,20: 1404.
9Della-Giustina D, Denny M. Ectopic pregnancy [ J ]. Emerg Med Clin North Am, 2003,21:565.
10Barnhart KT, Sammel MD, Rinaudo PF, et al. Symptomatic patients with an early viable intrauterine pregnancy : HCG curves redefined[J]. Obster Gynrcol, 2004,104 : 50.