Further explanation of the methodology used can be found in the quality Process guide on the NICE website.
The documents below contain recommendations from NICE guidance or other NICE‑accredited recommendations that were used by the Topic Expert Group to develop the quality standard statements and measures.
Acute upper gastrointestinal bleeding. NICE clinical guideline 141 (2012).
British Society of Gastroenterologists (2007) UK comparative audit of upper gastrointestinal bleeding and the use of blood.