Explore Search Results: tagged with Placebo effect. Placebo controls. Randomized controlled trials. Placebo. Acupuncture. Irritable bowel syndrome. Patient -physician relationship. Expectancy. Conditioning. Anxiety reduction. Report bias. Embodiment. Ritual Sources:Search Results HOME View all sources Error message search_text_zotero_tags cannot be longer than 128 characters but is currently 221 characters long. Details Short Medium Long Sort by Sort by Title A-Z Z-A Author A-Z Z-A Year 1837 - 2019 2019 - 1837 There are no search results that match your criteria.