TY - JOUR T1 - Overview of the Role of Statistic Analysis in the Design of Spine-related Studies JF - International Journal of Spine Surgery JO - Int J Spine Surg SP - 26 LP - 29 DO - 10.1016/SASJ-2009-Comment1 VL - 3 IS - 1 AU - Donna D. Ohnmeiss Y1 - 2009/01/01 UR - http://ijssurgery.com//content/3/1/26.abstract N2 - ER -