title: The relief of pain.
mesh_terms: D000700:Analgesics / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D010146:Pain / Q000188:drug therapy*; D019966:Substance-Related Disorders; D014149:Tranquilizing Agents / Q000627:therapeutic use
chemical_list: D000700:Analgesics; D014149:Tranquilizing Agents