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Skacel M, Petras RE, Rybicki LA, Gramlich TL, Richter JE, Falk GW, Goldblum JR.Skacel M, et al. Among authors: falk gw.Am J Gastroenterol. 2002 Oct;97(10):2508-13. doi: 10.1111/j.1572-0241.2002.06032.x.Am J Gastroenterol. 2002.PMID: 12385431