title: WITHDRAWN: Quality Measurement in Gastroenterology: Confessions of a Realist.
abstract: The Publisher regrets that this article is an accidental duplication of an article that has already been published, http://dx.doi.org/10.1016/j.cgh.2015.07.033. The duplicate article has therefore been withdrawn. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy.
authors.affiliation: Division of Gastroenterology and Hepatology, University of North Carolina School of Medicine, Chapel Hill, North Carolina.
authors.forename: Spencer D
authors.initials: SD
authors.lastname: Dorn