[1]
“ The 19-bp deletion polymorphism of dihydrofolate reductase (DHFR) and nonsyndromic cleft lip with or without cleft palate: evidence for a protective role ”, J Appl Oral Sci, vol. 23, no. 3, pp. 272–278, Jun. 2015, doi: 10.1590/1678-775720140473.