Khusanov , Azizbek. “Hygienic Assessment of Vitamin Deficiency Risk Factors and Associated Clinical Symptoms Among the Adult Population of Fergana City, Uzbekistan: A Population-Based Survey Study”. International Journal of Medical and Clinical Sciences, vol. 1, no. 4, May 2026, pp. 199-06, https://journalmed.org/index.php/ijctm/article/view/88.