International guidelines
United Kingdom
Published by:National Institute for Health and Care Excellence
Last published:2016
North America
Published by:American College of Gastroenterology
Last published:2019
Published by:North American Consortium for Histiocytosis
Last published:2019
Rest of the world
Published by:World Health Organization
Last published:2024
Published by:World Health Organization
Last published:2023
Published by:European Alliance of Associations for Rheumatology/American College of Rheumatology
Last published:2023
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