Naheed, S., F. Ghaffar, A. Javed, and H. M. Kaifi. “Psychological Distress, Glycemic Control, and Vitamin D Status in Patients With Type-2 Diabetes Mellitus from Khyber Pakhtunkhwa, Pakistan: A Cross-Sectional Study”. Journal of Pakistan Endocrine Society, vol. 2, no. 2, Dec. 2025, pp. 75-79, https://jpes.org.pk/index.php/jpes/article/view/69.