3Lyons E A,Levi C S,Sidney M.Dashefsky in diagnostic ultrasound[J].Mosby,1988,2(6):999.
4Callen P W.Ultrasonography in obstetrics and gynecology[J].Philadellphia:Saunders Elsevier,1988,4(11):1020-1047.
5Gruber L,Lahodny J.Heterotopic pregnancy:report of three cases[J].Wien Klin Wochenschr,2002,8(114):229-232.
6Louis-Sylvestre C,Morice P,Chapron C,et al.CASE REPORTThe role of laparoscopy in the diagnosis and management of heterotopic pregnancies[J].Hum Reprod,1997,12(8):1100-1102.
7Pan H S,Chuang J,Chiu S F,et al.Heterotopic triplet pregnancy:report of a case with bilateral tubal pregnancy and an intrauterine pregnancy:case report[J].Hum Reprod,2002,17(2):1363-1366.
