title: A review of analytical techniques for the comparison and characterization of illicit drugs.
mesh_terms: D002214:Capsules; D002849:Chromatography, Gas; D004340:Drug Contamination; D005554:Forensic Medicine; D003932:Heroin / Q000032:analysis; D013287:Illicit Drugs / Q000032:analysis*; D008722:Methods; D004364:Pharmaceutical Preparations / Q000032:analysis*; D013607:Tablets
chemical_list: D002214:Capsules; D013287:Illicit Drugs; D004364:Pharmaceutical Preparations; D013607:Tablets; D003932:Heroin