title: High pressure liquid chromatographic separation of dyes encountered in illicit heroin samples.
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D004396:Coloring Agents / Q000032:analysis*; D003932:Heroin / Q000032:analysis*
chemical_list: D004396:Coloring Agents; D003932:Heroin