title: [Preliminary study of an atenuated variant of Junin virus derived from the XJ prototype strain].
mesh_terms: D000818:Animals; D001116:Arenaviridae / Q000472:pathogenicity*; D006477:Arenaviruses, New World / Q000254:growth & development / Q000302:isolation & purification / Q000472:pathogenicity*; D001835:Body Weight; D006168:Guinea Pigs; D006478:Hemorrhagic Fever, American / Q000276:immunology; D051381:Rats
vernacular_title: Estudio preliminar de una variante atenuada del virus Junin derivada de la cepa prototipo XJ.