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Park PO, Bergström M, Ikeda K, Fritscher-Ravens A, Swain P.Park PO, et al. Among authors: bergstrom m.Gastrointest Endosc. 2005 Apr;61(4):601-6. doi: 10.1016/s0016-5107(04)02774-9.Gastrointest Endosc. 2005.PMID: 15812420
Bergström M, Ikeda K, Swain P, Park PO.Bergström M, et al.Gastrointest Endosc. 2006 Feb;63(2):307-12. doi: 10.1016/j.gie.2005.09.035.Gastrointest Endosc. 2006.PMID: 16427940
Bergström M, Swain P, Park PO.Bergström M, et al.Gastrointest Endosc. 2008 Mar;67(3):528-33. doi: 10.1016/j.gie.2007.09.049.Gastrointest Endosc. 2008.PMID: 18294516
Park PO, Bergström M, Rothstein R, Swain P, Ahmed I, Gomez G, Raju GS.Park PO, et al. Among authors: bergstrom m.Endoscopy. 2010 Apr;42(4):311-7. doi: 10.1055/s-0029-1243938. Epub 2010 Mar 3.Endoscopy. 2010.PMID: 20200808
Bergström M, Swain P, Park PO.Bergström M, et al.Gastrointest Endosc. 2007 Jul;66(1):174-8. doi: 10.1016/j.gie.2006.12.060.Gastrointest Endosc. 2007.PMID: 17591494
Raju GS, Fritscher-Ravens A, Rothstein RI, Swain P, Gelrud A, Ahmed I, Gomez G, Winny M, Sonnanstine T, Bergström M, Park PO.Raju GS, et al. Among authors: bergstrom m.Gastrointest Endosc. 2008 Aug;68(2):324-32. doi: 10.1016/j.gie.2008.03.006. Epub 2008 Jun 17.Gastrointest Endosc. 2008.PMID: 18561931
Azadani A, Jonsson H, Park PO, Bergström M.Azadani A, et al. Among authors: bergstrom m.Gastrointest Endosc. 2012 Apr;75(4):849-55. doi: 10.1016/j.gie.2011.11.039. Epub 2012 Jan 28.Gastrointest Endosc. 2012.PMID: 22284088Clinical Trial.