We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleCatechol-O-methyltransferase val158met polymorphism predicts placebo effect in irritable bowel syndrome.AuthorsHall KT; Lembo AJ; Kirsch I; Ziogas DC; Douaiher J; Jensen KB; Conboy LA; Kelley JM; Kokkotou E; Kaptchuk TJPublicationPloS one, 2012, Vol 7, Issue 10, pe48135ISSN1932-6203Publication typearticleDOI10.1371/journal.pone.0048135