Anemia prevalence and incidence and red blood cell transfusion practices in aneurysmal subarachnoid hemorrhage: results of a multicenter cohort study oleh Shane W. English, Michaël Chassé, Alexis F. Turgeon, François Lauzier, Donald Griesdale, Allan Garland, Dean Fergusson, Ryan Zarychanski, Carl van Walraven, Kaitlyn Montroy, Jennifer Ziegler, Raphael Dupont-Chouinard, Raphaëlle Carignan, Andy Dhaliwal, Ranjeeta Mallick, John Sinclair, Amélie Boutin, Giuseppe Pagliarello, Alan Tinmouth, Lauralyn McIntyre, on behalf of the Canadian Critical Care Trials Group