1. An evaluation of cesarean section in the United States;Mariesland,1979
2. Neonatal performance of the selected term breech vaginal delivery;Gimovsky;Obstet. Gynecol,1980
3. The randomized management of term frank breech presentation. A study of 208 cases;Collca;Am. J. Obstet. Gynecol,1980
4. Vaginal delivery of the term breech;O'Leary;Obstet. Gynecol,1979
5. Reduction of perinatal mortality and morbidity in breech delivery trhrough routine use of cesarean section;Wright;Obstet. Gynecol,1959