M. S. Akhtar, “Allele frequency of CTLA-4 rs231775 (+49 A>G) gene polymorphism and its association with cancer susceptibility in the Saudi Arabian population and other ethnic groups: CTLA-4 rs231775 and cancer susceptibility”, Cell Mol Biol (Noisy-le-grand), vol. 71, no. 11, pp. 31–37, Dec. 2025.