@misc{misc770bcc80, title = {Hepatitis B virus genotypes and pre core mutants in chronic hepatitis B patients from São Paulo city, Brazil}, author = {Sitnik, Roberta and Pinho, João Renato Rebello and Silva, Luiz Caetano da and Fonseca, Luis Edmundo Pinto and Carrilho, Flair José and Bernardini, Antonio Plinio}, year = {2000}, booktitle = {Annual Meeting of the American Association for the Study of Liver Diseases and Postgraduate Course} }