What conclusions should be drawn between critical care physician management and patient mortality in the intensive care unit?

@article{Zilberberg2008WhatCS,
  title={What conclusions should be drawn between critical care physician management and patient mortality in the intensive care unit?},
  author={Marya D. Zilberberg and Andrew F. Shorr},
  journal={Annals of internal medicine},
  year={2008},
  volume={149 10},
  pages={771-2; author reply772}
}