title: Control of pain by drugs.
mesh_terms: D000082:Acetaminophen / Q000627:therapeutic use; D000700:Analgesics / Q000627:therapeutic use*; D000701:Analgesics, Opioid / Q000627:therapeutic use; D001241:Aspirin / Q000627:therapeutic use; D006801:Humans; D009020:Morphine / Q000627:therapeutic use; D010146:Pain / Q000188:drug therapy*; D014149:Tranquilizing Agents / Q000627:therapeutic use
chemical_list: D000700:Analgesics; D000701:Analgesics, Opioid; D014149:Tranquilizing Agents; D000082:Acetaminophen; D009020:Morphine; D001241:Aspirin