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Best Practice & Research Clinical Gastroenterology > 2007 > 21 > 6 > 965-981
European Journal of Cancer > 2007 > 43 > 11 > 1687-1693
Best Practice & Research Clinical Gastroenterology > 2007 > 21 > 6 > 965-981
European Journal of Cancer > 2007 > 43 > 11 > 1687-1693