title: Chemical interventions for pain.
mesh_terms: D000700:Analgesics / Q000627:therapeutic use*; D000701:Analgesics, Opioid / Q000009:adverse effects / Q000627:therapeutic use; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000627:therapeutic use; D003866:Depressive Disorder / Q000503:physiopathology; D004723:Endorphins / Q000502:physiology; D006801:Humans; D010146:Pain / Q000188:drug therapy*
chemical_list: D000700:Analgesics; D000701:Analgesics, Opioid; D000894:Anti-Inflammatory Agents, Non-Steroidal; D004723:Endorphins