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Journal of policy analysis and management : [the journal of the Association for Public Policy Analysis and Management] [J Policy Anal Manage] 2012 Winter; Vol. 31 (1), pp. 139-52.Publisher: Published by John Wiley & Sons for the Association for Public Policy Analysis and Management Country of Publication: United States NLM ID: 8214851
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Spine [Spine (Phila Pa 1976)] 2010 Apr 15; Vol. 35 (8), pp. 858-66.Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 7610646 Publication Model: Print Cited Medium: Internet ISSN: