@misc{indiciae83569d4d119a,
  title = {Frailty models and rank tests.},
  author = {D Oakes and J H Jeong},
  year = {1998},
  doi = {10.1023/a:1009689630516},
  url = {https://pubmed.ncbi.nlm.nih.gov/9787603/},
  note = {Source identifier: 9787603}
}