Do you suffer from migraine:Hx:Pt:^Patient:Ord:PhenX
do you suffer from migraine:hx:pt:^patient:ord:phenx
Do you suffer from migraine:History:To identify measures at a point in time:^Patient:Ordinal:PhenX
do you suffer from migraine:history:to identify measures at a point in time:^patient:ordinal:phenx