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.
Cruz-coke R, Lacourly N, Valenzuela CY, Benavente M.Cruz-coke R, et al. Among authors: valenzuela cy.Rev Med Chil. 1977 Apr;105(4):221-3.Rev Med Chil. 1977.PMID: 887867Spanish.No abstract available.