Guillen, Anlly María, and Carolina Etchelecu. “Mutation of the Methylentetrahydrofolate Reductase Gene and Its Assosiation With Changes in Mood”. International Journal of Neurology 59 (October 21, 2025): 245. Accessed January 26, 2026. https://ijneurology.org/index.php/ijn/article/view/245.