5Thia E W,Loi K,Wang J J,et al.Methotrexate treatment for ectopic pregnancy at the KK Women' s and Children' s Hospital,Singapore[J].Singapore Med J,2009,50 (11):1058.
6Graczykowski J W,Seifer D B.Diagnosis of acute and presistant ectopic pregnancy[J].Clin Obstet Gynecol,1999,42(1):9.
7ThurmanAR,Comelius M,Korte J E,etal.Analternative monitoring protocol for single-dose methotrexate therapy in ectopic pregnancy[J].Am J Obstet Gynecol,2010,202(2):139.
8Palci O,Ozdemir S,Mahmoud A S,et al.The efficacy of multiple-dose methotrexate treatment for urruptured tubal ectopic pregnancy and conversion rate to surgery:a study on 294 cases[J].Fertil Steril,2010,93(7):2415.
