An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Davis GR, Zerwekh JE, Parker TF, Krejs GJ, Pak CY, Fordtran JS.Davis GR, et al. Among authors: krejs gj.Gastroenterology. 1983 Oct;85(4):908-16.Gastroenterology. 1983.PMID: 6688402
Read NW, Krejs GJ, Read MG, Santa Ana CA, Morawski SG, Fordtran JS.Read NW, et al. Among authors: krejs gj.Gastroenterology. 1980 Feb;78(2):264-71.Gastroenterology. 1980.PMID: 7350049
Harford WV, Krejs GJ, Santa Ana CA, Fordtran JS.Harford WV, et al. Among authors: krejs gj.Gastroenterology. 1980 Mar;78(3):440-3.Gastroenterology. 1980.PMID: 7351282Clinical Trial.