Carboxy tetrahydrocannabinol:PrThr:Pt:Saliva:Ord:Confirm
carboxy tetrahydrocannabinol:prthr:pt:saliva:ord:confirm
Carboxy tetrahydrocannabinol [Presence] in Saliva (oral fluid) by Confirmatory method
carboxy tetrahydrocannabinol [presence] in saliva (oral fluid) by confirmatory method