Unsal, V., Sabancilar, I. ., Ozbek, E. ., Mermutluoglu, C. ., & Temiz, H. . (2022). Role of vitamin D, folic acid, ferritin, inflammation and oxidative stress in the pathogenesis of COVID-19. Progress in Nutrition, 24(4), e2022126. https://doi.org/10.23751/pn.v24i4.12306