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.
Fernández M, Pizcueta P, García-Pagán JC, Feu F, Cirera I, Bosch J, Rodés J.Fernández M, et al. Among authors: pizcueta p.Hepatology. 1993 Aug;18(2):389-93.Hepatology. 1993.PMID: 8340068