Tagger, A., M. Ribero, E. Menatti, F. Donato, U. Gelatti, L. Covolo, R. Mora, and F. Azzario. “PREVALENCE OF S-GENE MUTANTS OF HEPATITIS B VIRUS IN ITALIAN BLOOD DONORS AND PATIENTS WITH CHRONIC HBV INFECTION”. Microbiologia Medica, vol. 19, no. 2, June 2004, doi:10.4081/mm.2004.3758.