6-Monoacetylmorphine:PrThr:Pt:Ser/Plas:Ord
6-monoacetylmorphine:prthr:pt:ser/plas:ord
6-Monoacetylmorphine:Presence or Threshold:To identify measures at a point in time:Serum/Plasma:Ordinal
6-monoacetylmorphine:presence or threshold:to identify measures at a point in time:serum/plasma:ordinal