Methadone+Metabolite:PrThr:Pt:Hair:Ord:Screen
methadone+metabolite:prthr:pt:hair:ord:screen
Methadone+Metabolite:Presence or Threshold:To identify measures at a point in time:Hair:Ordinal:Screen
methadone+metabolite:presence or threshold:to identify measures at a point in time:hair:ordinal:screen