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.
Darzi A, Nduka CC.Darzi A, et al. Among authors: nduka cc.Surg Endosc. 1997 Jul;11(7):782-4. doi: 10.1007/s004649900451.Surg Endosc. 1997.PMID: 9214334
Darzi A, Bouchier-Hayes D, Menzies-Gow N, Nduka CC.Darzi A, et al. Among authors: nduka cc.Br J Surg. 1995 Apr;82(4):515-7. doi: 10.1002/bjs.1800820425.Br J Surg. 1995.PMID: 7613898