RT Journal Article SR Electronic T1 Review of the impact of the Joint Advisory Group on gastrointestinal endoscopy (JAG) on accreditation services and training JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 80 OP 80 DO 10.7861/clinmedicine.19-2-s80 VO 19 IS Suppl 2 A1 Keith Siau A1 John Green A1 Neil Hawkes A1 Raphael Broughton A1 Mark Feeney A1 Paul Dunckley A1 John Barton A1 John Stebbing A1 Siwan Thomas-Gibson YR 2019 UL http://www.rcpjournals.org/content/19/Suppl_2/80.abstract