Chronic pain management: science and art.
D000700:Analgesics / Q000627:therapeutic use; D002908:Chronic Disease; D004359:Drug Therapy, Combination; D006801:Humans; D010146:Pain / Q000188:drug therapy*; D011619:Psychotropic Drugs / Q000627:therapeutic use
D000700:Analgesics; D011619:Psychotropic Drugs