International guidelines

United Kingdom

Guidelines for the investigation of chronic diarrhoea in adults

Published by:British Society of Gastroenterology

Last published:2018

North America

Adverse events associated with EGD and EGD-related techniques

Published by:American Society for Gastrointestinal Endoscopy

Last published:2022

Lactose intolerance in infants, children, and adolescents

Published by:American Academy of Pediatrics

Last published:2006 (reaffirmed 2012)

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