V Zaydfudim, L. A Dossett, J. M Starmer, P. G Arbogast, I. D Feurer, W. A Ray, A. K May and C. W. Pinson
Archives of Surgery 144 ( 7 ): 656 - 662 , 2009
W. A Ray, C Varas Lorenzo, C. P Chung, J Castellsague, K. T Murray, C. M Stein, J. R Daugherty, P. G Arbogast and L. A. Garcia Rodriguez
Circulation: Cardiovascular Quality and Outcomes 2 ( 3 ): 155 - 163 , 2009