Epidemiology of acute otitis media in children in an urban population.
D000208:Acute Disease; D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D010033:Otitis Media / Q000453:epidemiology*; D011446:Prospective Studies; D013548:Sweden; D014505:Urban Population