1. Freeman RK. Evaluation of caesarean delivery. The American College of Obstetricians and Gynaecologists Women's Health Care Physicians, 409, SW Washington, DC. 20090-6920. ACOG; 2000.
2. Maternal Mortality update- UNFPA assistance of maternal mortality prevention activities: an overview 1998-1999.
3. Dutta DC. Textbook of Obstetrics. Jaypee publishers. 7th edn: 2013.
4. World Health Organization (WHO). The World Health Report, 2005: Make Every Mother and Child Count. Geneva, Switzerland. 2005.
5. Patwardhan BD, Motashaw ND. Caesarean Section. J Obstet Gynecol India. 1957;8:1-15.