Maruf-Ur-Rahman M, Islam MR, Begum W, Islam MS, Mubin N, Golam Kibria AHM. Age and sex-specific variations of vitamin D level in Bangladeshi population: a laboratory-based study. Int J Res Med Sci [Internet]. 2025 Feb. 28 [cited 2025 Sep. 26];13(3):1045-50. Available from: https://www.msjonline.org/index.php/ijrms/article/view/14803