title: Relation of infectious and lethal activities of three strains of Vaccinia virus to the incubation temperature.
mesh_terms: D000818:Animals; D002478:Cells, Cultured; D002642:Chick Embryo; D003588:Cytopathogenic Effect, Viral; D005260:Female; D007185:Incubators; D013696:Temperature; D014616:Vaccinia virus / Q000472:pathogenicity*; D014817:Vitelline Membrane