Primary country of residency before age 10:Find:Pt:^Patient:Nom:PhenX
primary country of residency before age 10:find:pt:^patient:nom:phenx
Primary country of residency before age 10:Finding:To identify measures at a point in time:^Patient:Nominal:PhenX
primary country of residency before age 10:finding:to identify measures at a point in time:^patient:nominal:phenx