CORRELATION OF VITAMIN D AND GLYCATED HEMOGLOBIN (HBA1C) IN TYPE II DIABETES MELLITUS: A CROSS-SECTIONAL STUDY FROM FEDERAL GOVERNMENT POLYCLINIC HOSPITAL, ISLAMABAD. (2026). The Research of Medical Science Review, 4(1), 35-38. https://medicalsciencereview.com/index.php/Journal/article/view/2921