11-Hydroxy delta-9 tetrahydrocannabinol:PrThr:Pt:Body fld:Ord:Screen
11-hydroxy delta-9 tetrahydrocannabinol:prthr:pt:body fld:ord:screen
11-Hydroxy delta-9 tetrahydrocannabinol:Presence or Threshold:To identify measures at a point in time:Body fluid, unsp:Ordinal:Screen
11-hydroxy delta-9 tetrahydrocannabinol:presence or threshold:to identify measures at a point in time:body fluid, unsp:ordinal:screen