Küchler, Erika Calvano, et al. “Buccal Cells DNA Extraction to Obtain High Quality Human Genomic DNA Suitable for Polymorphism Genotyping by PCR-RFLP and Real-Time PCR”. Journal of Applied Oral Science, vol. 20, no. 4, Aug. 2012, pp. 467-71, https://doi.org/10.1590/S1678-77572012000400013.