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.
Napke E, Stevens DG.Napke E, et al. Among authors: stevens dg.Can Med Assoc J. 1985 Mar 1;132(5):509.Can Med Assoc J. 1985.PMID: 3971262Free PMC article.No abstract available.
Napke E, Stevens DG.Napke E, et al. Among authors: stevens dg.Can Med Assoc J. 1984 Dec 15;131(12):1449-52.Can Med Assoc J. 1984.PMID: 6498699Free PMC article.
Feldman W, Stevens DG, Beaudry PH.Feldman W, et al. Among authors: stevens dg.Can Med Assoc J. 1966 Feb 12;94(7):328-31.Can Med Assoc J. 1966.PMID: 20328490Free PMC article.