title: Microcolumn liquid chromatography of benzoyl derivatives of steroid metabolites.
mesh_terms: D001565:Benzoates; D002853:Chromatography, Liquid / Q000379:methods; D006801:Humans; D013256:Steroids / Q000652:urine*
chemical_list: D001565:Benzoates; D013256:Steroids; C013409:benzoyl chloride