@misc{indiciae30f82f750f5f,
  title = {Flexible maximum likelihood methods for bivariate proportional hazards models.},
  author = {Wenqing He and Jerald F Lawless},
  year = {2003},
  doi = {10.1111/j.0006-341x.2003.00098.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/14969462/},
  note = {Source identifier: 14969462}
}