International guidelines
United Kingdom
Published by:British Society of Gastroenterology
Last published:2016
North America
Published by:National Comprehensive Cancer Network
Last published:2023
Published by:American Society of Clinical Oncology
Last published:2023
Published by:American Thyroid Association
Last published:2015
Rest of the world
Published by:Endocrine Society
Last published:2014
Published by:Endocrine Society
Last published:2012
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