Is there a role for placebo analgesia?
D000698:Analgesia; D000700:Analgesics / Q000627:therapeutic use*; D002908:Chronic Disease; D004311:Double-Blind Method; D006801:Humans; D010146:Pain / Q000188:drug therapy*; D015990:Placebo Effect; D010919:Placebos / Q000627:therapeutic use*; D016037:Single-Blind Method
D000700:Analgesics; D010919:Placebos