1. Kadir A, Mossey PA, Blencowe H, Moorthie S, Lawn JE, Mastroiacovo P, et al. Systematic review and meta-analysis of the birth prevalence of orofacial clefts in low- and middle-income countries. Cleft Palate Craniofac J. 2017;54:571–81.
2. Millard DR Jr. Cleft craft: evolution of its surgery. In: The unilateral deformity, vol. 1. Boston: Little, Brown; 1976.
3. Sadler TW, Langman J. Langman’s medical embryology. 12th ed. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins; 2012.
4. Millard DR Jr. Cleft craft: evolution of its surgery. In: Embroyological theories, vol. 1. Boston: Little, Brown; 1976.
5. Millard DR Jr. Cleft craft: evolution of its surgery. In: Anatomy in multiple dimensions, vol. 1. Boston: Little, Brown; 1976.