Have you ever been knocked unconscious, in a traffic accident, contact sport, a fight or after a fall:Hx:Pt:^Patient:Ord:PhenX
have you ever been knocked unconscious, in a traffic accident, contact sport, a fight or after a fall:hx:pt:^patient:ord:phenx
Have you ever been knocked unconscious, in a traffic accident, contact sport, a fight or after a fall:History:To identify measures at a point in time:^Patient:Ordinal:PhenX
have you ever been knocked unconscious, in a traffic accident, contact sport, a fight or after a fall:history:to identify measures at a point in time:^patient:ordinal:phenx