title: False-positive RIA for methamphetamine following ingestion of an Ephedra-derived herbal product.
authors.forename: Joseph A
authors.initials: JA
authors.lastname: Levisky
authors.forename: Steven B
authors.initials: SB
authors.lastname: Karch
authors.forename: David L
authors.initials: DL
authors.lastname: Bowerman
authors.forename: Werner W
authors.initials: WW
authors.lastname: Jenkins
authors.forename: Deborah G
authors.initials: DG
authors.lastname: Johnson
authors.forename: Derrick
authors.initials: D
authors.lastname: Davies
mesh_terms: D004365:Drugs, Chinese Herbal / Q000378:metabolism*; D029789:Ephedra / Q000737:chemistry*; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D008297:Male; D008694:Methamphetamine / Q000652:urine*; D011863:Radioimmunoassay; D015813:Substance Abuse Detection / Q000379:methods*
chemical_list: D004365:Drugs, Chinese Herbal; D008694:Methamphetamine