X. Bertrán

发表

J. Llovet, E. Cabré, M. Gassull, 1993, The American journal of gastroenterology.

I. Ojanguren, M. Gassull, F. Fernández-Bañares, 2001, Clinical nutrition.

I. Ojanguren, E. Cabré, M. Gassull, 1999, American Journal of Gastroenterology.

C. Tural, C. Rey-Joly, A. Cuxart, 1992, Medicina clínica (Ed. impresa).