Negrini Simone, Zoppoli Gabriele, Setti Maurizio, Cappellini Maria Domenica, Indiveri Francesco
Department of Internal Medicine, University of Genoa, V.le Benedetto XV, 6, 16132, Genoa, Italy.
Dig Dis Sci. 2009 Feb;54(2):411-5. doi: 10.1007/s10620-008-0610-6. Epub 2008 Nov 14.