title: Observations on the determination of barbiturates in biological fluids.
mesh_terms: D001463:Barbiturates / Q000032:analysis* / Q000097:blood / Q000652:urine; D002614:Chelating Agents; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008628:Mercury; D008722:Methods; D013053:Spectrophotometry
chemical_list: D001463:Barbiturates; D002614:Chelating Agents; D008628:Mercury