Al-shehmany, Ali Salim, et al. “Evaluation of CTLA-4 Gene Polymorphism SNP 49 G A Association With Diabetes Mellitus Type 1 in Egyptian Population”. Iraqi Journal of Science, vol. 55, no. 4A, June 2026, pp. 1547-52, https://doi.org/10.24996/ijs.2014.55.4A.%g.