Kaur , Sukhraj, and Pashaura Singh Sandhu. “Determining the Levels of Vitamin D and Their Association With Complications of Type 2 Diabetes Mellitus”. Current Innovations in Medicine and Medical Science Vol. 8 (November 12, 2022): 53–64. Accessed June 3, 2026. https://stm.bookpi.org/CIMMS-V8/article/view/8722.