Stricture or upper gastrointestinal tract surgery:Hx:Pt:^Patient:Ord:PhenX
stricture or upper gastrointestinal tract surgery:hx:pt:^patient:ord:phenx
Stricture or upper gastrointestinal tract surgery:History:To identify measures at a point in time:^Patient:Ordinal:PhenX
stricture or upper gastrointestinal tract surgery:history:to identify measures at a point in time:^patient:ordinal:phenx