title: Quantitative determination of benzoylecgonine and cocaine in human biofluids by gas-liquid chromatography.
mesh_terms: D002849:Chromatography, Gas; D002853:Chromatography, Liquid; D003042:Cocaine / Q000031:analogs & derivatives* / Q000032:analysis* / Q000097:blood / Q000652:urine; D006801:Humans
chemical_list: C005618:benzoylecgonine; D003042:Cocaine