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Aftab Khattak, Zia Ullah Khan, Khalid Usman, Tahir Ghaffar. Impact Of Vitamin D Supplementation On Hba1c Level In Type 2 Diabetes Mellitus Patients Having Asymptomatic Vitamin D Deficiency In Northern Region Of Khyber Pakhtunkhwa, Pakistan A Prospective interventional Multi Center study.: Original Article . PJAMMR [Internet]. 2025 Jul. 10 [cited 2025 Aug. 20];3(2):48-67. Available from: https://www.pjammr.com/index.php/pjammr/article/view/69