S. M. O'Brien, D. R. Clarke, J. P. Jacobs, M. L. Jacobs, F. G. Lacour-Gayet, C. Pizarro, K. F. Welke, B. Maruszewski, Z. Tobota, W. J. Miller, L. Hamilton, E. D. Peterson, C. Mavroudis, and F. H. Edwards. An empirically based tool for analyzing mortality associated with congenital heart surgery. The Journal of Thoracic and Cardiovascular Surgery, Elsevier, volume 138, issue 5, pages 1139-1153, November 2009.

J. P. Jacobs, M. L. Jacobs, F. G. Lacour-Gayet, K. J. Jenkins, K. Gauvreau, E. Bacha, B. Maruszewski, D. R. Clarke, C. I. Tchervenkov, J. W. Gaynor, T. L. Spray, G. Stellin, S. M. O'Brien, M. J. Elliott, and C. Mavroudis. Stratification of Complexity Improves the Utility and Accuracy of Outcomes Analysis in a Multi-Institutional Congenital Heart Surgery Database: Application of the Risk Adjustment in Congenital Heart Surgery (RACHS-1) and Aristotle Systems in the Society of Thoracic Surgeons (STS) Congenital Heart Surgery Database. Pediatric Cardiology, volume 30, issue 8, pages 1117, September 2009.