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Rumalla A, Baron TH, Wang KK, Gores GJ, Stadheim LM, de Groen PC.Rumalla A, et al. Among authors: baron th.Gastrointest Endosc. 2001 Apr;53(4):500-4. doi: 10.1067/mge.2001.113386.Gastrointest Endosc. 2001.PMID: 11275896Clinical Trial.