title: Drugs and pain.
mesh_terms: D000700:Analgesics / Q000627:therapeutic use*; D006801:Humans; D009294:Narcotics / Q000627:therapeutic use; D010146:Pain / Q000188:drug therapy*; D014149:Tranquilizing Agents / Q000627:therapeutic use
chemical_list: D000700:Analgesics; D009294:Narcotics; D014149:Tranquilizing Agents