Carboxy tetrahydrocannabinol:MCnc:Pt:Ser/Plas:Qn
carboxy tetrahydrocannabinol:mcnc:pt:ser/plas:qn
Carboxy tetrahydrocannabinol [Mass/volume] in Serum or Plasma
carboxy tetrahydrocannabinol [mass/volume] in serum or plasma