http://thesaurus.bhlscielo.org/vocab/pthttp://thesaurus.bhlscielo.org/vocab/pt?tema=2490ssRNA-RT http://thesaurus.bhlscielo.org/vocab/pt?tema=2490 VĂrus BT http://thesaurus.bhlscielo.org/vocab/pt?tema=2490 Spumaretrovirinae NT http://thesaurus.bhlscielo.org/vocab/pt?tema=2490 Orthoretrovirinae NT http://thesaurus.bhlscielo.org/vocab/pt?tema=2490 Retrovirus UF