title: ["In vitro" titration of Shope's fibroma virus].
mesh_terms: D000818:Animals; D001431:Bacteriological Techniques; D006801:Humans; D007106:Immune Sera; D014412:Tumor Virus Infections / Q000276:immunology*; D014776:Virus Cultivation
chemical_list: D007106:Immune Sera
vernacular_title: Titulación "in vitro" del virus del fibroma de Shope.