Cerebrospinal meningitis in West and Central Ethiopia (1974-1977).
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005002:Ethiopia; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008581:Meningitis / Q000453:epidemiology*; D012189:Retrospective Studies; D012621:Seasons