title: Determination of 11-nor-Delta(9)-tetrahydrocannabinol-9-carboxylic acid in hair using gas chromatography/tandem mass spectrometry in negative ion chemical ionization mode.
authors.forename: Jin Young
authors.initials: JY
authors.lastname: Kim
authors.forename: Moon Kyo
authors.initials: MK
authors.lastname: In
mesh_terms: D002849:Chromatography, Gas / Q000379:methods*; D013759:Dronabinol / Q000031:analogs & derivatives* / Q000032:analysis; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods*; D006197:Hair / Q000737:chemistry*; D006801:Humans; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D021241:Spectrometry, Mass, Electrospray Ionization / Q000379:methods*; D015813:Substance Abuse Detection / Q000379:methods*
chemical_list: C016780:11-nor-delta(9)-tetrahydrocannabinol-9-carboxylic acid; D013759:Dronabinol