title: Quality control at the patient level: action or retrospective introspection.
authors.forename: A
authors.initials: A
authors.lastname: Dutreix
authors.forename: E
authors.initials: E
authors.lastname: van der Schueren
authors.forename: L
authors.initials: L
authors.lastname: Leunens
mesh_terms: D006258:Head and Neck Neoplasms / Q000532:radiotherapy*; D006801:Humans; D011786:Quality Control; D011878:Radiotherapy / Q000592:standards*