11-Hydroxy delta-9 tetrahydrocannabinol:PrThr:Pt:Ser/Plas:Ord:Screen
11-hydroxy delta-9 tetrahydrocannabinol:prthr:pt:ser/plas:ord:screen
11-Hydroxy delta-9 tetrahydrocannabinol [Presence] in Serum or Plasma by Screen method
11-hydroxy delta-9 tetrahydrocannabinol [presence] in serum or plasma by screen method