title: Concerning norcocaine, ethylbenzoylecgonine, and the identification of cocaine use in human hair.
authors.forename: K
authors.initials: K
authors.lastname: Janzen
mesh_terms: D003042:Cocaine / Q000031:analogs & derivatives* / Q000032:analysis; D006197:Hair / Q000737:chemistry*; D006801:Humans; D015813:Substance Abuse Detection
chemical_list: C008671:norcocaine; C066444:cocaethylene; D003042:Cocaine