“FEATURES OF HOMOCYSTEINE LEVELS IN PATIENTS WITH CHRONIC GENERALIZED PERIODONTITIS WHO HAVE HAD COVID-19”. International journal of medical sciences 6, no. 01 (January 15, 2026): 150–157. Accessed January 18, 2026. https://www.academicpublishers.org/journals/index.php/ijms/article/view/10038.