Lérias, CSouto, PPina-Cabral, JESaraiva, SGomes, DDurão, AMoreira, ASofia, CLeitão, MDonato, AFreitas, D2010-12-132010-12-132000GE - J Port Gastroentreol. 2000;7(1):38http://hdl.handle.net/10400.4/879porColestasejournal article