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.
Ford JA, Colhoun EM, McIntosh WB, Dunnigan MG.Ford JA, et al. Among authors: colhoun em.Br Med J. 1972 Jun 17;2(5815):677-80. doi: 10.1136/bmj.2.5815.677.Br Med J. 1972.PMID: 5031709Free PMC article.
Ford JA, Colhoun EM, McIntosh WB, Dunnigan MG.Ford JA, et al. Among authors: colhoun em.Br Med J. 1972 Aug 19;3(5824):446-7. doi: 10.1136/bmj.3.5824.446.Br Med J. 1972.PMID: 5069221Free PMC article.