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Yamada' s Textbook of Gastroenterology > Gastrointestinal Diseases > 1479 - 1494
Colorectal Disease > 14 > 5 > e258 - e263
International Journal of Colorectal Disease > 2012 > 27 > 2 > 179-185
Digestive and Liver Disease > 2011 > 43 > 5 > 374-379