NICE Clinical Guideline (2011): The Diagnosis and Management of Colorectal Cancer
American gastroenterological association institute medical position statement (2003) on Anal Fissure
American gastroenterological association institute medical position statement (2000) on Constipation
American gastroenterological association institute medical position statement (2004) on Hemorrhoids
BSG Guidelines (1997)A Structured Approach to Colorectal Biopsy Assessment
NICE Guidelines (2007) on the Management of Faecal Incontinence
NICE Guidelines (2010): Prucalopride for the treatment of chronic constipation in women