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.
Uedo N, Takeuchi Y, Ishihara R, Hanaoka N, Inoue T, Kizu T, Higashino K, Iishi H, Tatsuta M, Chak A, Wong RC.Uedo N, et al. Among authors: chak a.Gastrointest Endosc. 2010 Aug;72(2):444-8. doi: 10.1016/j.gie.2010.03.1128. Epub 2010 Jun 11.Gastrointest Endosc. 2010.PMID: 20541199
Charles RJ, Chak A, Cooper GS, Wong RC, Sivak MV Jr.Charles RJ, et al. Among authors: chak a.Gastrointest Endosc. 1999 Oct;50(4):480-5. doi: 10.1016/s0016-5107(99)70069-6.Gastrointest Endosc. 1999.PMID: 10502167
Chak A, Cooper GS, Lloyd LE, Kolz CS, Barnhart BA, Wong RC.Chak A, et al.Gastrointest Endosc. 2001 Jan;53(1):6-13. doi: 10.1067/mge.2001.108965.Gastrointest Endosc. 2001.PMID: 11154481
Das A, Isenberg G, Wong RC, Sivak MV Jr, Chak A.Das A, et al. Among authors: chak a.Gastrointest Endosc. 2001 Jul;54(1):31-6. doi: 10.1067/mge.2001.115006.Gastrointest Endosc. 2001.PMID: 11427838
Das A, Sivak MV Jr, Chak A, Wong RC, Westphal V, Rollins AM, Willis J, Isenberg G, Izatt JA.Das A, et al. Among authors: chak a.Gastrointest Endosc. 2001 Aug;54(2):219-24. doi: 10.1067/mge.2001.116109.Gastrointest Endosc. 2001.PMID: 11474394
Catanzaro A, Faulx A, Pfau PR, Cooper G, Isenberg G, Wong RC, Sivak MV Jr, Chak A.Catanzaro A, et al. Among authors: chak a.Gastrointest Endosc. 2002 Apr;55(4):484-7. doi: 10.1067/mge.2002.122576.Gastrointest Endosc. 2002.PMID: 11923758