Census block group 1970&80&90:Arb:Pt:^Patient:Ord
census block group 1970&80&90:arb:pt:^patient:ord
Census block group 1970&80&90:Arbitrary:To identify measures at a point in time:^Patient:Ordinal
census block group 1970&80&90:arbitrary:to identify measures at a point in time:^patient:ordinal