7Lan J, Brule AJC, Hemrika. DJ, et al. Chlamydia tra-chomatis and ectopic pregnancy, retrospective analysis of salpingectomy specimens, endometrial biopsies and cervical smear[J]. Clin Pathol, 1995,48:815 ~ 819.
8Michalas S, Minaretzis D,Tsionou CH, et al. Pelvic surgery,reproduc-tive factors and risk of ectopic pregnancy: a case controlled study[J]. Int J Gynecol Obste,1992,38:101 ~ 105.
9Mc-Canslaud A. Endosalpingiosis following laporoscopie tubal coagulation as an etiologie factor of ectopic pregnancy[J]. Am J Obstet Gyneco, 1982,143:12.
