3Huang KH, Lee CL, Wang CJ, et al. Pregnancy in a previous cesarean section scar: case report. Changgeng Yi Xue Za Zhi, 1998, 21(3):323-7.
4Neiger R, Weldon K & Means N. Intramural pregnancy in a cesarean section scar. A case report. J Reprod Med, 1998, 43(11):999-1001.
5Ito M, Nawa T, Mikamo H, et al. Lower segment uterine rupture related to early pregnancy by in vitro fertilization and embryo transfer after a previous cesarean delivery. J Med,1998, 29(1-2): 85-91.
6Valley MT, Pierce JG, Daniel TB, etal. Cesarean scar pregnancy: imaging and treatment with conservative surgery. Obstet Gynecol, 1998, 91(5 Pt 2):838-40.
7Roberts H, Kohlenber C, Lanzarone V, et al. Ectopic pregnancy in lower segment uterine scar. Aust N Z J Obstet Gynaecol, 1998, 38(1): 114-6.
8Vial Y, Petignat P & Hohlfeld P.Pregnancy in a cesarean scar.Ultrasound Obstet Gynecol, 2000, 16(6):592-3.
9Seow KM, Cheng WC, Chuang J, et al. Methotrexate for cesarean scar pregnancy after in vitro fertilization and embryo transfer. A case report. J Reprod Med, 2000, 45(9):754-7.
10Nawroth F, Foth D, Wilhelm L, et al. Conservative treatment of ectopic pregnancy in a cesarean section scar with methotrexate: a case report. Eur J Obstet Gynecol Reprod Biol, 2001, 99(1):135-7.
5Mckenna D A,Poder L,Goldman M,et al.Role of sonography in the recognition,assessment,and treatment of cesarean scar ectopic pregnancies[J].J Ultrasound Med,2008,27 (5):779-783.
