@article{ref1, author = "F. Lacour-Gayet and D. Clarke and J. Jacobs and W. Gaynor and L. Hamilton and M. Jacobs and B. Maruszewski and M. Pozzi and T. Spray and C. Tchervenkov and C. Mavroudis", title = "The Aristotle score for congenital heart surgery", year = 2004, journal = "Seminars in Thoracic & Cardiovascular Surgery: Pediatric Cardiac Surgery Annual", publisher = "Elsevier", volume = 7, number = 1, pages = "185-191", doi = "10.1053/j.pcsu.2004.02.011", url = "http://dx.doi.org/10.1053/j.pcsu.2004.02.011" }