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Gisbert JP, Luna M, González-Lama Y, Pousa ID, Velasco M, Moreno-Otero R, Maté J.Gisbert JP, et al.Gastroenterol Hepatol. 2008 Oct;31(8):477-84. doi: 10.1157/13127088.Gastroenterol Hepatol. 2008.PMID: 18928745