@article{ref1,
  author = "J. P. Jacobs and C. Mavroudis and M. L. Jacobs and B. Maruszewski and C. I. Tchervenkov and F. G. Lacour-Gayet and D. R. Clarke and T. J. Yeh and H. L. I. Walters and H. Kurosawa and G. Stellin and T. Ebels and M. J. Elliott",
  title = "What is Operative Mortality? Defining Death in a Surgical Registry Database: A Report of the STS Congenital Database Taskforce and the Joint EACTS-STS Congenital Database Committee",
  year = 2006,
  journal = "The Annals of Thoracic Surgery",
  publisher = "Elsevier",
  volume = 81,
  number = 5,
  pages = "1937-1941",
  month = "May",
  doi = "10.1016/j.athoracsur.2005.11.063",
  url = "http://dx.doi.org/10.1016/j.athoracsur.2005.11.063"
}