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.
Lockwood CM, Rees AJ, Pearson TA, Evans DJ, Peters DK, Wilson CB.Lockwood CM, et al. Among authors: peters dk.Lancet. 1976 Apr 3;1(7962):711-5. doi: 10.1016/s0140-6736(76)93089-0.Lancet. 1976.PMID: 56532
Rees AJ, Lockwood CM, Peters DK.Rees AJ, et al. Among authors: peters dk.Br Med J. 1977 Sep 17;2(6089):723-6. doi: 10.1136/bmj.2.6089.723.Br Med J. 1977.PMID: 912270Free PMC article.