Tsrancheva, R., et al. , translators. “Comorbidity As a Risk Factor for the Development of Hepatocellular Carcinoma in Patients With Chronic Hepatitis B Infection”. General Medicine, vol. 28, no. 2, Apr. 2026, pp. 11-18, https://journals.mu-sofia.bg/index.php/gm/article/view/775.