title: [Influence of urinary pH on the detection of barbituates in the urine].
mesh_terms: D001463:Barbiturates / Q000652:urine*; D001826:Body Fluids; D006801:Humans; D006863:Hydrogen-Ion Concentration / Q000652:urine*
chemical_list: D001463:Barbiturates
keywords: BARBITURATES/urine; HYDROGEN-ION CONCENTRATION/urine