title: Global introduction: SRS focus issue on motion preservation.
authors.forename: Paul C
authors.initials: PC
authors.lastname: McAfee
authors.forename: Gunnar
authors.initials: G
authors.lastname: Anderson
mesh_terms: D006801:Humans; D012106:Research / Q000639:trends; D012107:Research Design; D012600:Scoliosis / Q000517:prevention & control / Q000601:surgery*; D012955:Societies, Medical; D013123:Spinal Fusion / Q000379:methods; D013131:Spine / Q000002:abnormalities / Q000601:surgery*