Defining clinically important perioperative blood loss and transfusion for the Standardised Endpoints for Perioperative Medicine (StEP) collaborative: a protocol for a scoping review
Justyna Bartoszko, Leon Vorobeichik, Mohandas Jayarajah, Keyvan Karkouti, Andrew A Klein, Andre Lamy, C David Mazer, Mike Murphy, Toby Richards, Marina Englesakis, Paul S Myles, Duminda N Wijeysundera
BMJ Open Jun 2017, 7 (6) e016743; DOI: 10.1136/bmjopen-2017-016743