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.
Picardo A, Karpoff HM, Ng B, Lee J, Brennan MF, Fong Y.Picardo A, et al. Among authors: karpoff hm.Surgery. 1998 Jul;124(1):57-64.Surgery. 1998.PMID: 9663252
Stojadinovic A, Hoos A, Karpoff HM, Leung DH, Antonescu CR, Brennan MF, Lewis JJ.Stojadinovic A, et al. Among authors: karpoff hm.Arch Surg. 2001 Jan;136(1):70-9. doi: 10.1001/archsurg.136.1.70.Arch Surg. 2001.PMID: 11146782