title: Virological studies in encephalitis.
mesh_terms: D002648:Child; D002675:Child, Preschool; D004660:Encephalitis / Q000382:microbiology*; D004770:Enterovirus / Q000302:isolation & purification*; D006801:Humans; D007223:Infant; D017955:Poliovirus / Q000302:isolation & purification