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.
Vorperian VR, Havighurst TC, Miller S, January CT.Vorperian VR, et al.J Am Coll Cardiol. 1997 Sep;30(3):791-8. doi: 10.1016/s0735-1097(97)00220-9.J Am Coll Cardiol. 1997.PMID: 9283542Free article.
Vorperian VR, Zhou Z, Mohammad S, Hoon TJ, Studenik C, January CT.Vorperian VR, et al.J Am Coll Cardiol. 1996 Nov 15;28(6):1556-61. doi: 10.1016/s0735-1097(96)00352-x.J Am Coll Cardiol. 1996.PMID: 8917271Free article.
Linzer M, Yang EH, Estes NA 3rd, Wang P, Vorperian VR, Kapoor WN.Linzer M, et al. Among authors: vorperian vr.Ann Intern Med. 1997 Jun 15;126(12):989-96. doi: 10.7326/0003-4819-126-12-199706150-00012.Ann Intern Med. 1997.PMID: 9182479Review.