title: Qualitative differentiation between cocaine, lidocaine and cocaine-lidocaine mixtures ("rock-cocaine") using thin-layer chromatography.
mesh_terms: D002855:Chromatography, Thin Layer / Q000379:methods*; D003042:Cocaine / Q000032:analysis*; D004338:Drug Combinations; D013287:Illicit Drugs / Q000032:analysis*; D008012:Lidocaine / Q000032:analysis*; D004364:Pharmaceutical Preparations / Q000032:analysis*
chemical_list: D004338:Drug Combinations; D013287:Illicit Drugs; D004364:Pharmaceutical Preparations; D008012:Lidocaine; D003042:Cocaine