Lead (exposure to) screen follow-up status:Type:Pt:^Patient:Nom:CPHS
lead (exposure to) screen follow-up status:type:pt:^patient:nom:cphs
Lead (exposure to) screen follow-up status:Type:To identify measures at a point in time:^Patient:Nominal:CPHS
lead (exposure to) screen follow-up status:type:to identify measures at a point in time:^patient:nominal:cphs