D. Jamwal, P. Sharma, A. Mehta, and J. S. Pannu, “Analysis of caesarean sections using Robson’s classification system in a tertiary care centre in Northern India: an emerging concept to audit the increasing caesarean section rate”, Int J Reprod Contracept Obstet Gynecol, vol. 10, no. 6, pp. 2281–2285, May 2021.