1. Cervical stitch (cerclage) for preventing pregnancy loss in women;Drakeley;Cochrane Database Syst Rev,2003
2. Suture of the cervix for inevitable miscarriage;McDonald;J Obstet Gynaecol Br Emp,1957
3. A new method of treatment for habitual abortions in the second trimester of pregnancy;Shirodkar;Antiseptic,1955
4. Transabdominal cervico uterine cerclage during pregnancy for the treatment of cervical incompetency;Benson;Obstet Gynecol,1965