title: Prolonged detection period for cocaine and metabolite.
authors.forename: W W
authors.initials: WW
authors.lastname: Weddington
mesh_terms: D003042:Cocaine / Q000031:analogs & derivatives* / Q000032:analysis / Q000378:metabolism* / Q000652:urine; D006801:Humans; D012463:Saliva / Q000032:analysis; D019966:Substance-Related Disorders / Q000378:metabolism* / Q000652:urine
chemical_list: C005618:benzoylecgonine; D003042:Cocaine