Vitamin D supplementation affects the beck depression inventory, insulin resistance, and biomarkers of oxidative stress in patients with major depressive disorder: a randomized, controlled clinical trial - Sepehrmanesh, Z; Kolahdooz, F; Abedi, F; Mazroii, N; Assarian, A; Asemi, Z; Esmaillzadeh, A (J Nutr, 2016)