@misc{miscf99d5e56,
title   = {Mutations in hepatocellular carcinoma (hcc): related to geographical area but not an identified viral aetiology},
author = {Ryder, S D and Zentgraf, H and Pereira, L M M B and Luo, D and Portmann, B and Mies, Sérgio and Muszkart, R M L and Lui, Q F and Su, J J and Naoumov, N and Williams, R},
year = {1993},
booktitle   = {Annual Meeting of the European Association for the Study of the Liver}
}