Katsios C, Griffith L, Spinella P, Lacroix J, Crowther M, Hebert P, Meade M, Geerts W, Rabbat C, Cook D. Crit Care. 2011;15(6):R263. Epub 2011 Nov 2.
Departamento de Medicina, Universidad McMaster, 1200 Main Street West, Hamilton, ON L8S 4L8, Canadá.