Paidi, S., and A. Thonangi. “Region Wise Referrals to a Tertiary Care Centre: A Retrospective Analysis”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 8, no. 12, Nov. 2019, pp. 4678-83, doi:10.18203/2320-1770.ijrcog20195201.