RELATIONSHIP BETWEEN MTHFR GENE rs1801133 AND rs1801131 POLYMORPHISMS WITH DISEASE SEVERITY OF COVID-19 AND HOMOCYSTEIN LEVELS IN UZBEK PATIENTS. Journal of Pharmaceutical Negative Results, [S. l.], p. 1879–1888, 2022. DOI: 10.47750/pnr.2022.13.S01.225. Disponível em: https://pnrjournal.com/index.php/home/article/view/1549.. Acesso em: 8 jun. 2026.