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Surgical Endoscopy > 2013 > 27 > 10 > 3816-3822
Best Practice & Research Clinical Gastroenterology > 2007 > 21 > 5 > 819-834
Surgical Endoscopy > 2013 > 27 > 10 > 3816-3822
Best Practice & Research Clinical Gastroenterology > 2007 > 21 > 5 > 819-834