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] in Body fluid by Screen method
11-hydroxy delta-9 tetrahydrocannabinol [presence] in body fluid by screen method