To the best of our knowledge , this constitutes the first report of HBV lamivudine-resistant strains in therapy-na ve HBV-HIV co-infected patients .
O O O O O O O O O O O O O B-OrganismTaxon B-ChemicalEntity O O O O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature B-OrganismTaxon O