Selected gastrointestinal disorders : intractability and its management / Edited by Ward O. Griffen, Paul Mandelstam

by Griffen, Ward O.

Gastrointestinal pathophysiology / Edited by Frank P. Brooks

by Brooks, Frank P., ed.

Infecciones entéricas : fisiopatología y tratamiento de us complicaciones / Leon Mizrahi Mograbi, Onofre Muñoz Hernández

by Mizrahi Mograbi, Leon