Proportional hazards regression John O'Quigley, Springer, 2008. No. of pages: xvii + 542. Price: 56.99 GBP. ISBN: 978‐0‐387‐68639‐4

@inproceedings{Heller2011ProportionalHR,
  title={Proportional hazards regression John O'Quigley, Springer, 2008. No. of pages: xvii + 542. Price: 56.99 GBP. ISBN: 978‐0‐387‐68639‐4},
  author={Gillian Z. Heller},
  year={2011}
}