RICCI , G.; GHIAZZA , B.; BOMBELLI , G.; RUSSO , E.; ILLENI , T. HLA-A, B, C and DR in Hepatitis B Virus (HBV)-Related Liver Cirrhosis: A Study of 851 Elderly Subjects. Upsala Journal of Medical Sciences, v. 98, n. 2, 18 Jan. 2010.