1. Sousa GFT, Roncalli AG. Orofacial clefts in Brazil and surgical rehabilitation under the Brazilian National Health System. Braz Oral Res 2017; 31:1-10. https://doi.org/10.1590/1807-3107bor-2017.vol31.0023;
2. Filgueira IG, Azevedo, ID, Ramalho LS, et al. Quality of life of patients with cleft lip and / or cleft palate: perspective of parents/guardians. Braz Res Pediatr Dent Integr Clin 2015; 15:431-40;
3. Pacáková D, Zábavníková M, Miklosová M, et al. Epidemiological study of orofacial clefts among population of eastern Slovakia during the period 1996-2013. Cent Eur J Public Health 2016; 24:128-32. https://doi.org/10.21101/cejph.a4131;
4. Dixon MJ, Marazita ML, Beaty TH, Murray JC. Clef lip and palate, understanding genetic and environmental influences. Nat Rev Genet 2011; 12:167-78. https://doi.org/10.1038/nrg2933;
5. Neogi SB, Singh S, Pallepogula DR, et al. Risk factors for orofacial clefts in India: A case-control study. Birth Defects Res 2017; 109:1284-91. https://doi.org/10.1002/bdr2.1073;