title: [Quality assurance in oncology--medical oncology in particular].
authors.forename: H J
authors.initials: HJ
authors.lastname: Illiger
mesh_terms: D002568:Certification / Q000592:standards*; D005858:Germany; D006801:Humans; D008495:Medical Oncology / Q000592:standards*; D011785:Quality Assurance, Health Care / Q000379:methods / Q000592:standards*