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.
Anderson GL, Osborn JL, Nei SD, Bell MR, Barsness GW, Mara KC, Ou NN.Anderson GL, et al. Among authors: bell mr.Am J Cardiol. 2019 Jan 1;123(1):44-49. doi: 10.1016/j.amjcard.2018.09.029. Epub 2018 Sep 26.Am J Cardiol. 2019.PMID: 30539747
Bell MR, Kaufmann UP, Vlietstra RE, Holmes DR Jr.Bell MR, et al.J Am Coll Cardiol. 1990 Apr;15(5):1146-50. doi: 10.1016/0735-1097(90)90256-o.J Am Coll Cardiol. 1990.PMID: 2312971Free article.
Bell MR, Bailey KR, Reeder GS, Lapeyre AC 3rd, Holmes DR Jr.Bell MR, et al.J Am Coll Cardiol. 1990 Sep;16(3):553-62. doi: 10.1016/0735-1097(90)90342-m.J Am Coll Cardiol. 1990.PMID: 2387928Free article.
Bell MR, Lapeyre AC 3rd, Bove AA.Bell MR, et al.J Am Coll Cardiol. 1989 Aug;14(2):523-7. doi: 10.1016/0735-1097(89)90211-8.J Am Coll Cardiol. 1989.PMID: 2754138Free article.