@article{lee83,
  title = {A Comparison of Test Statistics for Assessing the Effects of Concomitant Variables in Survival Analysis},
  volume = {39},
  journal = {Biometrics},
  author = {Lee, K. L. and Harrell, F. E. and Tolley, H. D. and Rosati, R. A.},
  year = {1983},
  pages = {341-350},
  citeulike-article-id = {13264479},
  posted-at = {2014-07-14 14:09:36},
  priority = {0}
}

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