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 [Internet]. 2022 Oct. 3 [cited 2026 Jun. 9];:1879-88. Available from: https://www.pnrjournal.com/index.php/home/article/view/1549