title: Adjacent-segment morbidity.
authors.forename: Thomas-Marc
authors.initials: TM
authors.lastname: Markwalder
authors.forename: Markus
authors.initials: M
authors.lastname: Wenger
mesh_terms: D005500:Follow-Up Studies; D006801:Humans; D007403:Intervertebral Disc / Q000000981:diagnostic imaging*; D017843:Ligamentum Flavum / Q000000981:diagnostic imaging / Q000601:surgery*; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging / Q000601:surgery*; D011183:Postoperative Complications / Q000000981:diagnostic imaging*; D011859:Radiography; D013123:Spinal Fusion; D016896:Treatment Outcome