The effect of a single dose of vitamin D on glycemic status and C-reactive protein levels in type 2 diabetic patients with ischemic heart disease: A randomized clinical trial - Shaseb, E; Tohidi, M; Abbasinazari, M; Khalili, D; Talasaz, A H; Omrani, H; Hadaegh, F (Acta Diabetol, 2016)