1Gracia Cr,Barnhart KT.Diagnosing ectopic pregnancy: decision analysis comparing six strategies[].Obstetrics and Gynecology.2001 被引量：1
2Mol BW,Van der Veen F.Role of transvaginal ultrasonography in the diagnosis of ectopic pregnancy[].Fertility and Sterility.1998 被引量：1
3Brown DL.Diagnosis of ectopic pregnancy with endovaginal color Doppler US[].Radiology.1993 被引量：1
4Arthur CF,Rbecca GP,Mary SM,et al.Ectopic pregnancy: features at transvaginal sonography[].Radiology.1990 被引量：1
5Kirchler HC,Seebacher S,Alge AA,et al.Early diagnosis of tubal pregnancy: changes in tubal blood flow evaluated by endovaginal color Doppler sonography[].Obstetrics and Gynecology.1993 被引量：1
6Thoma ME.Early detection of ectopic pregnancy visualizing the presence of a tubal ring with ultrasonography performed by emergency physicians[].American Journal of Emergency Medicine.2000 被引量：1
7Eliezer S,Ilan Y,Moshe B,et al.Transvaginal sonography as the ultimate diagnostic tool for the mamagement of ectopic pregnancy:experience with 840 cases[].Fertility and Sterility.1998 被引量：1
8Barvara HB,Beverly GC,Parvati R,et al.Emergency department screening for ectopic pregnancy: a prospective US study[].Radiology.1994 被引量：1
