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Clinical Gastroenterology and Hepatology > 2016 > 14 > 7 > 948-955
Digestive Diseases and Sciences > 2010 > 55 > 12 > 3304-3314
The American Journal of Surgery > 2006 > 192 > 2 > 161-164
Annals of Oncology > 2000 > 11 > 9 > 1147-1153