Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePlacebos and the Power of Negative Thinking.AuthorsEdmeads, JohnPublicationHeadache: The Journal of Head & Face Pain, 1984, Vol 24, Issue 6, p342ISSN0017-8748Publication typeArticleDOI10.1111/j.1526-4610.1984.hed2406342.x