title: In response.
authors.affiliation: Rush University Medical Center Chicago, IL Spine Colorado, Durango, CO Spine Care Medical Group San Francisco, CA.
authors.forename: Frank M
authors.initials: FM
authors.lastname: Phillips
authors.forename: Gunnar
authors.initials: G
authors.lastname: Andersson
authors.forename: Jim
authors.initials: J
authors.lastname: Youssef
authors.forename: Paul
authors.initials: P
authors.lastname: Slosar
mesh_terms: D059350:Chronic Pain / Q000601:surgery*; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000601:surgery*; D017116:Low Back Pain / Q000601:surgery*; D008159:Lumbar Vertebrae / Q000601:surgery*; D013123:Spinal Fusion