title: [Incidence of symptoms in pediatrics].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005859:Germany, East; D006801:Humans; D007223:Infant; D009017:Morbidity
vernacular_title: Symptomhäufigkeit in der Pädiatrie.