title: Directions for future research.
authors.affiliation: Department of Orthopedic Surgery, Rush University Medical Center, 1653 West Congress Parkway, 1471 Jelke, Chicago, IL 60612, USA. gunnar_andersson@rsh.net
authors.forename: Gunnar B J
authors.initials: GB
authors.lastname: Andersson
authors.forename: Howard S
authors.initials: HS
authors.lastname: An
authors.forename: Theodore R
authors.initials: TR
authors.lastname: Oegema
authors.forename: Lori A
authors.initials: LA
authors.lastname: Setton
mesh_terms: D000818:Animals; D004493:Education; D005544:Forecasting; D006801:Humans; D007403:Intervertebral Disc / Q000503:physiopathology*; D020380:Needs Assessment; D012106:Research / Q000592:standards / Q000639:trends*; D013122:Spinal Diseases / Q000175:diagnosis* / Q000628:therapy*; D014481:United States