R. S. Abbas, M. K. Abdulridha, and M. A. Shafek, “STUDY THE POTENTIAL ANTIOXIDANT EFFECT OF VITAMIN D3 SUPPLEMENTATION ON THE LEVEL OF EXTRACELLULAR SUPEROXIDE DISMUTASE IN ASTHMATIC PATIENTS”, Asian J Pharm Clin Res, vol. 10, no. 7, pp. 258–262, Jul. 2017.