PT - JOURNAL ARTICLE AU - Anderson, Paul A. TI - Meta-analysis AID - 10.1016/j.esas.2010.07.001 DP - 2010 Jan 01 TA - International Journal of Spine Surgery PG - 67--67 VI - 4 IP - 3 4099 - https://www.ijssurgery.com/content/4/3/67.short 4100 - https://www.ijssurgery.com/content/4/3/67.full SO - Int J Spine Surg2010 Jan 01; 4