Multicenter Study

Outcomes following early red blood cell transfusion in acute upper gastrointestinal bleeding.

Aliment. Pharmacol. Ther. 2010 Jul 1;32(2):215-24.
Review

Hematologic management of gastrointestinal bleeding.

Gastroenterol. Clin. North Am. 2000 Mar 1;29(1):169-87, vii.
Randomized Controlled Trial

Will less liberal red-cell transfusion (with a lower haemoglobin threshold) still reduce rates of death and organ failure?

Med. J. Aust. 2001 Oct 1; 175 (7): 387.