title: Improved procedure for overcoming nitrite interferences in GC-MS procedures for cannabinoids.
authors.forename: D L
authors.initials: DL
authors.lastname: Frederick
mesh_terms: D013759:Dronabinol / Q000032:analysis*; D005188:False Negative Reactions; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods*; D006213:Hallucinogens / Q000032:analysis*; D006801:Humans; D007202:Indicators and Reagents / Q000737:chemistry; D009573:Nitrites / Q000737:chemistry*; D011237:Predictive Value of Tests; D015813:Substance Abuse Detection / Q000379:methods*; D013447:Sulfites / Q000737:chemistry; D013451:Sulfonic Acids / Q000737:chemistry
chemical_list: D006213:Hallucinogens; D007202:Indicators and Reagents; D009573:Nitrites; D013447:Sulfites; D013451:Sulfonic Acids; D013759:Dronabinol; C005741:sulfamic acid