Interference in GC/MS confirmation of delta-9-tetrahydrocannabinol-9-carboxylic acid by a secondary tetrahydrocannabinol metabolite.
Podkowik
B I
BI
Kippenberger
D J
DJ
Smith
M L
ML
D013759:Dronabinol / Q000031:analogs & derivatives* / Q000737:chemistry / Q000652:urine*; D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans; D011863:Radioimmunoassay
D013759:Dronabinol; C025351:delta(9)-tetrahydrocannabinolic acid