title: Urinalysis and casual handling of marijuana and cocaine.
authors.forename: M A
authors.initials: MA
authors.lastname: ElSohly
mesh_terms: D002188:Cannabis; D003042:Cocaine / Q000652:urine*; D006801:Humans; D016273:Occupational Exposure; D012869:Skin Absorption / Q000502:physiology*; D015813:Substance Abuse Detection
chemical_list: D003042:Cocaine