NICE guidelines on gallstone disease
https://www.nice.org.uk/guidance/cg188?unlid=50165635320163241294
British Gastroenterology Society guidelines on common bile duct stones
http://www.bsg.org.uk/attachments/127_cbds_08.pdf
NICE guidelines on gastro-oesophageal reflux
https://www.nice.org.uk/guidance/cg184
Association of Upper GI Surgeons – commissioning guide for reflux (draft)
http://www.augis.org/augis-guidelines/gord-commissioning-guide-_draft/
Guidelines for the management of gastrointestinal stromal tumours (GISTS)
http://www.augis.org/wp-content/uploads/2014/05/GIST_Management_Guidelines_180809.pdf
Guidelines for the management of oesophageal and gastric cancer | June 2011
http://www.augis.org/wp-content/uploads/2014/05/Gut-2011-Allum-gut-2010-228254.pdf