History of diseases:Hx:Pt:^Patient:Nom:USSG-FHT
history of diseases:hx:pt:^patient:nom:ussg-fht
History of diseases:History:To identify measures at a point in time:^Patient:Nominal:USSG-FHT
history of diseases:history:to identify measures at a point in time:^patient:nominal:ussg-fht