title: Instrumented fusions: a need for guidelines and research.
authors.forename: Vernon H
authors.initials: VH
authors.lastname: Mark
mesh_terms: D003657:Decision Making; D019317:Evidence-Based Medicine; D006801:Humans; D017116:Low Back Pain / Q000191:economics* / Q000601:surgery*; D009042:Motivation; D017063:Outcome Assessment, Health Care; D010816:Physician Incentive Plans; D016032:Randomized Controlled Trials as Topic; D013123:Spinal Fusion / Q000191:economics* / Q000639:trends