7Seldinger SL Catheter replacement of the needle in percutaneous arteriography:a new technique.Acta Radiol,1953,39:368-376.
8Maymon R,Halperin R,Mendlovic S,et al.Ectopic pregnancies in a Caesarean scar:review of the medical approach to an iatrogenic complication.Hum Reprod Update,2004,10:515-523.
9Vial Y,Petignat P,Hohlfeld P.Pregnancy in a cesarean scar.Ultrasound Obstet Gynecol,2000,16:592-593.