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Suárez Ferrer C, Vera Mendoza MI, Amo San Román L, González Lama Y, Calvo Moya M, García Casas M, Abreu García L.Suárez Ferrer C, et al. Among authors: garcia casas m.Gastroenterol Hepatol. 2012 Nov;35(9):634-9. doi: 10.1016/j.gastrohep.2012.07.003. Epub 2012 Oct 2.Gastroenterol Hepatol. 2012.PMID: 23036695Spanish.