Hepatocelular carcinoma (hcc) and hepatitis b virus infection (hbv) - Oliveira e Silva, A; D'albuquerque, Luiz Augusto Carneiro; Capacci, M L L; Pugliese, V; Machado, Marcel Cerqueira César; Pinotti, Henrique Walter; Saad, W A (World Congress of the International College of Surgeons, 1990)