title: Letter: "Red" candies and urine barbiturate determinations.
mesh_terms: D001463:Barbiturates / Q000652:urine*; D003124:Colorimetry; D005189:False Positive Reactions; D006801:Humans; D012631:Secobarbital / Q000652:urine*
chemical_list: D001463:Barbiturates; D012631:Secobarbital