The Effects of Vitamin D Supplementation on Glucose Control and Insulin Resistance in Patients with Diabetes Type 2: A Randomized Clinical Trial Study - Yousefi Rad, Esmaeil; Djalali, Mahmoud; Koohdani, Fariba; Saboor-Yaraghi, Ali Akbar; Eshraghian, Mohammad Reza; Javanbakht, Mohammad Hassan; Saboori, Somayeh; Zarei, Mahnaz; Hosseinzadeh-Attar, Mohammad Javad (Iranian Journal of Public Health)