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.
Jenkins JS, Collins TJ, Ramee SR, White CJ.Jenkins JS, et al. Among authors: collins tj.Ochsner J. 2001 Apr;3(2):70-7.Ochsner J. 2001.PMID: 21765722Free PMC article.
White CJ, Ramee SR, Mesa JE, Collins TJ.White CJ, et al. Among authors: collins tj.J Am Coll Cardiol. 1991 May;17(6 Suppl B):46B-49B. doi: 10.1016/0735-1097(91)90938-6.J Am Coll Cardiol. 1991.PMID: 2016482Free article.