title: [Pitfalls of clinical registries in pediatric oncology and hematology].
authors.forename: U
authors.initials: U
authors.lastname: Göbel
authors.forename: O
authors.initials: O
authors.lastname: Witt
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005858:Germany; D006801:Humans; D007223:Infant; D007938:Leukemia / Q000235:genetics / Q000401:mortality / Q000628:therapy*; D016347:Medical Records Systems, Computerized; D009369:Neoplasms / Q000235:genetics / Q000401:mortality / Q000628:therapy*; D011379:Prognosis; D012042:Registries; D012106:Research; D016019:Survival Analysis