AP postural sway score^eyes open+on foam surface:Score:Pt:^Patient:Qn:NIH Toolbox
ap postural sway score^eyes open+on foam surface:score:pt:^patient:qn:nih toolbox
AP postural sway score [NIH Toolbox] --eyes open and on foam surface
ap postural sway score [nih toolbox] --eyes open and on foam surface