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Forsmark CE, Baillie J; AGA Institute Clinical Practice and Economics Committee; AGA Institute Governing Board.Forsmark CE, et al.Gastroenterology. 2007 May;132(5):2022-44. doi: 10.1053/j.gastro.2007.03.065.Gastroenterology. 2007.PMID: 17484894Review.No abstract available.