3Stephen WS, Richardo LM, Federico MB, et al. Effect of hydrosalpinx on IVF outcome-mechanism[J]. Fertil Stril, 1999,71 (4) : 787-789.
4American College of Obstetricians and Gynecologists. Medical management of tubal pregnancy. Number 3,December 1998. Clinical management guidelines for obstetricians-gynecologists[J]. Int J Gynaecol Obstet, 1999,65 : 97.
5American College of Emergency Physicians. Clinical policy critical issues in the initial evaluation and management of patients presenting to the emergency department in early pregnancy[J]. Ann Emerg Med, 2003,41 : 123.
6Fyhra DI.. Tubal Pregnancy: a review of current diagnosis and treatment[J]. Obatet Gynecol Surv, 1998,53 (5) : 320.
7Yao M,Tulandi T. Pravtical and aurrent mangement of tubal and nontubal ectoplc Pregnancies[J]. Curt Probl Obstet Gynecol Ferdl,2000,23(3) :95.
8Barnhart 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.