Have you ever had heart surgery:Hx:Pt:^Patient:Ord:PhenX
have you ever had heart surgery:hx:pt:^patient:ord:phenx
Have you ever had heart surgery:History:To identify measures at a point in time:^Patient:Ordinal:PhenX
have you ever had heart surgery:history:to identify measures at a point in time:^patient:ordinal:phenx