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Digestive and Liver Disease > 2017 > 49 > 5 > 540-544
Best Practice & Research Clinical Gastroenterology > 2010 > 24 > 3 > 349-358
Digestive and Liver Disease > 2017 > 49 > 5 > 540-544
Best Practice & Research Clinical Gastroenterology > 2010 > 24 > 3 > 349-358