Increased Serum Homocysteine Level Association with Methylenetetrahydrofolate Reductase C677T and A1298C Mutations in Patients with Cerebral Infarction in the Latvian Population. (2013). Global Journal of Science Frontier Research, 13(C4), 13-17. https://www.journalofscience.org/index.php/GJSFR/article/view/880