g38_a
G38 AField Label
if unknown: which came first, the (substance/medication use) or the (oc and related sxs)?
Branching Logic
[g35] <> '1' and [g11_gmc] = '1' and [g37] <> '1' and [g36] <> '1'
Field Label
if unknown: which came first, the (substance/medication use) or the (oc and related sxs)?
Branching Logic
[g35] <> '1' and [g11_gmc] = '1' and [g37] <> '1' and [g36] <> '1'