by Bastos, Rui, Lopes, Susana, Teixeira, Artur Vasconcelos, Santos, Carlos Costa
Published in The American journal of gastroenterology (01.09.2006)

by Lopes, Susana, Bastos, Pedro, Teixeira, Artur Vasconcelos, Santos, Carlos Costa
Published in The American journal of gastroenterology (01.09.2006)

by Cardoso, Helder, Nunes, Amadeu C.R., Machado, Artur S., Vale, Ana Horta, Teixeira, Artur Vasconcelos, de la Cruz, Dionisio, Santos, Carlos C.
Published in The American journal of gastroenterology (01.09.2006)