@misc{indiciaec99b321f0285,
  title = {Explained randomness in proportional hazards models.},
  author = {John O'Quigley and Ronghui Xu and Janez Stare},
  year = {2005},
  doi = {10.1002/sim.1946},
  url = {https://pubmed.ncbi.nlm.nih.gov/15532086/},
  note = {Source identifier: 15532086}
}