title: Commentary on the external fixator.
authors.affiliation: Clevelant Clinic Foundation, Spine Institute, Cleveland, Ohio 44195, USA.
authors.forename: R Douglas
authors.initials: RD
authors.lastname: Orr
mesh_terms: D002985:Clinical Protocols; D016267:External Fixators / Q000592:standards / Q000706:statistics & numerical data*; D006801:Humans; D017116:Low Back Pain / Q000473:pathology / Q000503:physiopathology / Q000601:surgery*; D018579:Patient Selection; D011183:Postoperative Complications / Q000209:etiology / Q000473:pathology / Q000503:physiopathology; D011237:Predictive Value of Tests; D015203:Reproducibility of Results; D018570:Risk Assessment; D013123:Spinal Fusion / Q000295:instrumentation* / Q000379:methods; D013131:Spine / Q000473:pathology / Q000503:physiopathology / Q000601:surgery*