Issues in drug management. Part 2. The use of receptor-selective agents as analgesics in the spinal cord: trends and possibilities.
D000700:Analgesics / Q000627:therapeutic use*; D004361:Drug Tolerance; D006801:Humans; D010146:Pain / Q000188:drug therapy*; D011956:Receptors, Cell Surface / Q000502:physiology*; D011957:Receptors, Opioid / Q000502:physiology; D013116:Spinal Cord / Q000503:physiopathology*
D000700:Analgesics; D011956:Receptors, Cell Surface; D011957:Receptors, Opioid