6GINSBURG E S,et al.Early diagnosis and treatment of cervical pregnancy in an invitro fertilization program[J].Fertil Steril,1994,61 (5):966 -969.
7TIMOR-TRITSCH I E,MONTEAGUDO A,MANDEVILLE E O,et al.Successful management of viable cerrical pregnancy by local injection of methotrexate guided by transraginal ultrasonography[J].Am JOb-stetGynecol,1994,170(3):737 -739.
8GINSBURG E S. Early diagnosis and treatment of cervicalp regnancy in an invitro fertilization p rogram[J]. Fertil Steril,1994, 61 (5) :966 -969.
9TIMOR-TR ITSCH I E, MONTEAGUDO A, MANDEV ILLE E O, et al. Successful management of viable cerrieal pregnancy by local injection ofmethotrexate guided by transraginal ultrasonogra2phy[ J ]. Am JOb - stetGynecol, 1994,170 (3) :737 - 739.
10Celik C, Bala A, Acar A, et al. Methotrexate for cervical pregnancy:a case report[J]. J Reprod Med, 2003,48(2):130- 132.
