GC/MS assay of the marijuana carboxy metabolite: urine interference with the dimethyl derivative.
Joern
W A
WA
D002188:Cannabis / Q000737:chemistry*; D013759:Dronabinol / Q000737:chemistry; D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans; D015813:Substance Abuse Detection
D013759:Dronabinol