title: Letter to the editor regarding "Simultaneous determination of ∆9-tetrahydrocannabinol and 11-nor-9-carboxy-∆9-tetrahydrocannabinol in oral fluid using isotope dilution liquid chromatography tandem mass spectrometry".
authors.forename: Marie
authors.initials: M
authors.lastname: Fabritius
authors.forename: Christian
authors.initials: C
authors.lastname: Giroud
mesh_terms: D013759:Dronabinol / Q000032:analysis*; D006801:Humans; D007201:Indicator Dilution Techniques; D012463:Saliva / Q000737:chemistry*
chemical_list: D013759:Dronabinol