4Serfer DB.Persistent ectopic pregnancy and an argument for heightened vigilance and patient compliance.Fertil Steril,1977,68(2):402.
5Silver PD, Schaper AM, Rooney B. Reproductive outcome after 143 laparoscoopic procedures for ectopic pregnancy. Obstet Gynecol, 1993, 81:710 - 715.
6Ankum WM Van der Veen F, Hamrlynck JVThH, Lammes FB. Laparoscopy:a dispensable tool in the diagnosis of ectopie preganaoy[J], Hum Reprod, 1993,8 : 1301 - 1306
7Clarisa B, Gracla MD, Hillary A, et al. Prophylactic methotrexate after linear salpingostomy : a decision analysis[ J ]. Fertil Steril, 2001,76: 1191 - 1195
