Evaluation of Cytotoxic T-Lymphocyte Antigen-4 (+49A/G) Gene Polymorphism in Chronic Hepatitis B Virus Infection. Iraqi Journal of Medical Sciences, [S. l.], v. 18, n. 2, 2020. Disponível em: https://iraqijms.com/index.php/jms/article/view/737. Acesso em: 10 may. 2025.