Best Practice & Research Clinical Gastroenterology
Best Practice & Research Clinical Gastroenterology > 2010 > 24 > 1 > 57-69
Best Practice & Research Clinical Gastroenterology > 2010 > 24 > 1 > 3-12
Best Practice & Research Clinical Gastroenterology > 2010 > 24 > 1 > 35-42
Best Practice & Research Clinical Gastroenterology > 2010 > 24 > 1 > 27-34