MERS-TM is an event reporting system that facilitates continued improvement of blood product and transfusion safety through the systematic collection, analysis, and interpretation of information about events occurring at blood centers and transfusion medicine sites.
Patient Safety and the "Just Culture." A primer for health care executives. pdf file
Kaplan HS, Callum JL, Rabin Fastman B, Merkley LL. The Medical Event Reporting System for Transfusion Medicine (MERS-TM): Will it help us get the right blood to the right patient? Transfusion Medicine Reviews. Vol 16, No 2 (April), 2002: pp 86-102