International guidelines
United Kingdom
Published by:National Institute for Health and Care Excellence
Last published:2007 (re-assessed 2016)
Europe
Published by:European Society of Coloproctology
Last published:2020
North America
Published by:American Society of Colon and Rectal Surgeons
Last published:2024
Published by:American College of Gastroenterology
Last published:2021
Published by:American Society for Gastrointestinal Endoscopy
Last published:2010
Oceania
Published by:Australian Department of Health
Last published:2024
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