title: Analgesics. VI. Narcotics. Opium alkaloids: morphine.
mesh_terms: D000700:Analgesics; D006801:Humans; D009020:Morphine; D009294:Narcotics; D009892:Opium
chemical_list: D000700:Analgesics; D009294:Narcotics; D009020:Morphine; D009892:Opium
keywords: MORPHINE