[Etiologic study of virus infections of the central nervous system in children].
D002493:Central Nervous System Diseases / Q000209:etiology*; D002648:Child; D004770:Enterovirus / Q000302:isolation & purification; D029822:Enterovirus B, Human / Q000302:isolation & purification; D006801:Humans; D017955:Poliovirus / Q000302:isolation & purification; D014777:Virus Diseases / Q000209:etiology*