@article{oqu89,
  title = {Score Tests for Homogeneity of Regression Effect in the Proportional Hazards Model},
  volume = {45},
  journal = {Biometrics},
  author = {O'Quigley, J. and Pessione, F.},
  year = {1989},
  pages = {135-144},
  citeulike-article-id = {13264645},
  posted-at = {2014-07-14 14:09:39},
  priority = {0}
}

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