title: [Epidemiology of juvenile tumors].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D006814:Hungary; D007223:Infant; D007938:Leukemia / Q000453:epidemiology; D009369:Neoplasms / Q000453:epidemiology*; D012042:Registries
vernacular_title: Uber die Epidemiologie der Geschwülste im Kindesalter