HK, P., M. Yeddala, V. KR, S. N., B. BS, and K. L. “Comparative Study of Vectis Versus Manual Method for Extraction of Fetal Head During Lower Segment Cesarean Section”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 6, no. 1, Dec. 2016, pp. 34-37, doi:10.18203/2320-1770.ijrcog20164630.