Carboxy tetrahydrocannabinol:MCnc:Pt:Urine:Qn:Confirm
carboxy tetrahydrocannabinol:mcnc:pt:urine:qn:confirm
Carboxy tetrahydrocannabinol [Mass/volume] in Urine by Confirmatory method
carboxy tetrahydrocannabinol [mass/volume] in urine by confirmatory method