11-Hydroxy delta-9 tetrahydrocannabinol:PrThr:Pt:XXX:Ord
11-hydroxy delta-9 tetrahydrocannabinol:prthr:pt:xxx:ord
11-Hydroxy delta-9 tetrahydrocannabinol:Presence or Threshold:To identify measures at a point in time:Not specified:Ordinal
11-hydroxy delta-9 tetrahydrocannabinol:presence or threshold:to identify measures at a point in time:not specified:ordinal