Did any difficulties with breathing occur before, during, or after surgery:Find:Pt:^Patient:Ord:PhenX
did any difficulties with breathing occur before, during, or after surgery:find:pt:^patient:ord:phenx
Did any difficulties with breathing occur before, during, or after surgery:Finding:To identify measures at a point in time:^Patient:Ordinal:PhenX
did any difficulties with breathing occur before, during, or after surgery:finding:to identify measures at a point in time:^patient:ordinal:phenx