@misc{indiciae0c58b152d579,
  title = {A version of the EM algorithm for proportional hazard model with random effects.},
  author = {José Cortiñas Abrahantes and Tomasz Burzykowski},
  year = {2005},
  doi = {10.1002/bimj.200410141},
  url = {https://pubmed.ncbi.nlm.nih.gov/16450857/},
  note = {Source identifier: 16450857}
}