We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe importance of placebo in headache research.AuthorsDiener HC; Schorn CF; Bingel U; Dodick DWPublicationCephalalgia : an international journal of headache, 2008, Vol 28, Issue 10, p1003ISSN1468-2982Publication typearticleDOI10.1111/j.1468-2982.2008.01660.x