Karimian, P., Tahami, M.S., Sayyahfar, S. and Aghajani Delavar, M. 2022. Association of vitamin D and severity of COVID-19 in children. European Journal of Translational Myology. 32, 2 (Apr. 2022). DOI:https://doi.org/10.4081/ejtm.2022.10453.