शोध आलेख
Prevalence of Genotypes and Sub-Genotypes of the Hepatitis B Virus in a Population of the Brazilian Amazon Region (Para State)
Simone Regina Souza da Silva Conde, Luiz Marcelo Pinheiro, José Alexandre Rodrigues de Lemos, Samia Demachki, Marialva Thereza de Araújo, Manoel do Carmo Pereira Soares, Heloisa Marceliano Nunes, Ricardo Ishak and Antonio Carlos Rosário Vallinoto