Karkouti K, Wijeysundera DN, Yau TM, Callum JL, Cheng DC, Crowther M, Dupuis JY, Fremes SE, Kent B, Laflamme C, Lamy A, Legare JF, Mazer CD, McCluskey SA, Rubens FD, Sawchuk C, Beattie WS. Circulação. 2009 Feb 3;119(4):495-502. Epub 2009 Jan 19
Department of Anesthesia and Health Policy, Management, and Evaluation, Toronto General Hospital, University of Toronto, 200 Elizabeth St, EN 3-402, Toronto, Ontário, Canadá M5G 2C4.