[Effect of placebos on post-operative pain].
D000293:Adolescent; D000328:Adult; D000368:Aged; D000700:Analgesics; D002648:Child; D003814:Dentistry, Operative; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000188:drug therapy*; D010919:Placebos; D011611:Psychosomatic Medicine
D000700:Analgesics; D010919:Placebos