title: [Chronic diseases in childhood--a study on morbidity].
mesh_terms: D000367:Age Factors; D001847:Bone Diseases / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease / Q000453:epidemiology*; D003430:Cross-Sectional Studies; D005260:Female; D005859:Germany, East; D006801:Humans; D008297:Male; D009135:Muscular Diseases / Q000453:epidemiology; D009422:Nervous System Diseases / Q000453:epidemiology; D012140:Respiratory Tract Diseases / Q000453:epidemiology; D012737:Sex Factors; D012871:Skin Diseases / Q000453:epidemiology; D014570:Urologic Diseases / Q000453:epidemiology
vernacular_title: Chronische Krankheiten im Kindesalter--eine Studie zur Morbidität.