Modified Hoen and Yahr stage:Find:Pt:^Patient:Ord:UPDRS
modified hoen and yahr stage:find:pt:^patient:ord:updrs
Modified Hoen and Yahr stage:Finding:To identify measures at a point in time:^Patient:Ordinal:UPDRS
modified hoen and yahr stage:finding:to identify measures at a point in time:^patient:ordinal:updrs