Drupal-Bibcite31<style face="normal" font="default" size="100%">5-Aminosalicylate use and colorectal cancer risk in inflammatory bowel disease: a large epidemiological study</style><style face="normal" font="default" size="100%">5-Aminosalicylate use and colorectal cancer risk in inflammatory bowel disease: a large epidemiological study</style>