Postural stability - retropulsion test:Find:Pt:^Patient:Ord:UPDRS
postural stability - retropulsion test:find:pt:^patient:ord:updrs
Postural stability - retropulsion test:Finding:To identify measures at a point in time:^Patient:Ordinal:UPDRS
postural stability - retropulsion test:finding:to identify measures at a point in time:^patient:ordinal:updrs