Inchara R, Archana Santhanam, and Subhashree R. “Incidence of Cleft Lip and Cleft Palate - An Institutional Based Retrospective Study”. International Journal of Research in Pharmaceutical Sciences, vol. 11, no. (SPL 3), Oct. 2020, pp. 1323-7, https://ijrps.com/home/article/view/3034.