Sultana, Sharmin, Md Hafizul Islam, Sharmin Sultana Urmi, and Imtiaz Ur Rahman. “Study of Serum Vitamin D Status in Type 2 Diabetic Patients in a Tertiary Care Hospital of Chattogram”. Journal of Chittagong Medical College Teachers’ Association 35, no. 1 (August 25, 2025): 161–166. Accessed September 18, 2025. https://banglajol.info/index.php/JCMCTA/article/view/83915.