title: [Preliminary study of the phenomenon of persistent infection produced in HeLa cells and human amnion cells by the St. Louis and Japanese B encephalitis viruses].
mesh_terms: D000650:Amnion; D004668:Encephalitis Viruses; D004672:Encephalitis, Japanese; D004674:Encephalitis, St. Louis; D006367:HeLa Cells; D006801:Humans
vernacular_title: Estudio preliminar del fenómeno de infección persistente producido en células HeLa y de amnios humano por los virus de las encefalitis de San Luis y Japonesa B.