Original Article
Efficacy of supplementary vitamin D on improvement of glycemic parameters in patients with type 2 diabetes mellitus; a randomized double blind clinical trial
Hamid Nasri 1, Saeed Behradmanesh 2, Ahmad Reza Maghsoudi 2, Ali Ahmadi 3, Parto Nasri 4, Mahmoud Rafieian-Kopaei 5 *