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Anesthesia & Analgesia 108 ( 6 ): 1741 - 1746 , 2009
R. C Groom, R. D Quinn, P Lennon, D. J Donegan, J. H Braxton, R. S Kramer, P. W Weldner, L Russo, S. D Blank, A. A Christie, A. H Taenzer, R. J Forest, C Clark, J Welch, C. S Ross, G. T O`Connor, D. S Likosky and for the Northern New England Cardiovascular Disease Study Group
Circulation: Cardiovascular Quality and Outcomes 2 ( 3 ): 191 - 198 , 2009