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.
LAWRIE JH, FORREST AP.LAWRIE JH, et al. Among authors: forrest ap.Postgrad Med J. 1965 Jul;41(477):408-17. doi: 10.1136/pgmj.41.477.408.Postgrad Med J. 1965.PMID: 14344584Free PMC article.No abstract available.