Somavarapu Thomas, A. S., R. Saraswathy, and M. Thayanithy. “Association of MTHFR (C677T and A1298C) Gene Variants Polymorphisms With Migraineurs: A Case-Control Study”. Applied Science and Engineering Progress, vol. 15, no. 3, July 2022, p. 5531, doi:10.14416/j.asep.2021.10.003.