We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleLong-term efficacy of biofeedback therapy for dyssynergic defecation: randomized controlled trial.AuthorsRao SS; Valestin J; Brown CK; Zimmerman B; Schulze KPublicationThe American journal of gastroenterology, 2010, Vol 105, Issue 4, p890ISSN1572-0241Publication typearticleDOI10.1038/ajg.2010.53