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.
Gerber MA, Shapiro JM, Smith H Jr, Lebwohl O, Schaffner F.Gerber MA, et al. Among authors: lebwohl o.Gastroenterology. 1979 Jan;76(1):139-43.Gastroenterology. 1979.PMID: 758135
Forde KA, Lebwohl O, Wolff M, Voorhees AB.Forde KA, et al. Among authors: lebwohl o.Am J Gastroenterol. 1979 Aug;72(2):182-5.Am J Gastroenterol. 1979.PMID: 474561