Tetrahydrocannabinol:PrThr:Pt:Urine:Ord:Screen>50 ng/mL
tetrahydrocannabinol:prthr:pt:urine:ord:screen>50 ng/ml
Tetrahydrocannabinol:Presence or Threshold:To identify measures at a point in time:Urine:Ordinal:Screen>50 ng/mL
tetrahydrocannabinol:presence or threshold:to identify measures at a point in time:urine:ordinal:screen>50 ng/ml