Ranjana, ., and A. Sinha. “Incidence, Causes and Feto-Maternal Outcomes of Obstructed Labour in a Tertiary Health Care Centre”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 6, no. 7, June 2017, pp. 2817-21, doi:10.18203/2320-1770.ijrcog20172558.