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.
Nakagawa H, Beckman KJ, McClelland JH, Wang X, Arruda M, Santoro I, Hazlitt HA, Abdalla I, Singh A, Gossinger H, et al.Nakagawa H, et al. Among authors: mcclelland jh.Circulation. 1993 Dec;88(6):2607-17. doi: 10.1161/01.cir.88.6.2607.Circulation. 1993.PMID: 8252671
Jackman WM, Wang XZ, Friday KJ, Roman CA, Moulton KP, Beckman KJ, McClelland JH, Twidale N, Hazlitt HA, Prior MI, et al.Jackman WM, et al. Among authors: mcclelland jh.N Engl J Med. 1991 Jun 6;324(23):1605-11. doi: 10.1056/NEJM199106063242301.N Engl J Med. 1991.PMID: 2030716Free article.Clinical Trial.