[Incidence of otitis media recurrence in children depending on the social environment].
D002675:Child, Preschool; D002908:Chronic Disease; D005260:Female; D005859:Germany, East; D006801:Humans; D007223:Infant; D008297:Male; D010033:Otitis Media / Q000453:epidemiology*; D012008:Recurrence; D012959:Socioeconomic Factors
Die Rezidivhäufigkeit der kindlichen Otitis media in Abhängigkeit vom Sozialen Milieu.