Anitha P, Dr., Dr. Shaini G. S., Dr. Anitha Achuthan. Effectiveness of Vitamin D3 Supplementation and Diet Therapy on Glycemic Control and Psychological Well-Being in Geriatric Patients With Type II Diabetes Mellitus at Chengalpattu Medical College—A Randomized Controlled Trial. SEEJPH 2025, 3775-3777.