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.
Ahmed Y, Houben IB, Figueroa CA, Burris NS, Williams DM, Moll FL, Patel HJ, van Herwaarden JA.Ahmed Y, et al. Among authors: patel hj.J Card Surg. 2021 Jan;36(1):268-279. doi: 10.1111/jocs.15192. Epub 2020 Nov 10.J Card Surg. 2021.PMID: 33169411Free PMC article.