RT Journal Article SR Electronic T1 The science of the placebo: toward an interdisciplinary research agenda JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 590 OP 591 DO 10.7861/clinmedicine.3-6-590a VO 3 IS 6 A1 Michael E Hyland YR 2003 UL http://www.rcpjournals.org/content/3/6/590.2.abstract AB