Management Guidelines in Gastroenterology Cirrhosis in over 16s: assessment and management | Guidance and guidelines | NICE Gastro Intestinal Tract Bleeding – Management of. Upper Gastro-Intestinal Tract. Bleeding by The College of Surgeons of Sri Lanka (GI Bleeding) 2007 Gastrointestinal – Reporting Common Gastrointestinal Malignancies Journal of Sri Lanka Society of Gastroenterology (SLSG)