title: A rapid method of screening blood and urine samples for narcotic analgesics.
mesh_terms: D000701:Analgesics, Opioid / Q000032:analysis*; D002855:Chromatography, Thin Layer; D005554:Forensic Medicine; D003932:Heroin / Q000032:analysis; D006801:Humans; D009020:Morphine / Q000032:analysis
chemical_list: D000701:Analgesics, Opioid; D003932:Heroin; D009020:Morphine