@misc{indiciae736b41a108b7,
  title = {Correcting for selection using frailty models.},
  author = {Anne Vingaard Olesen and Erik Thorlund Parner},
  year = {2006},
  doi = {10.1002/sim.2298},
  url = {https://pubmed.ncbi.nlm.nih.gov/16252271/},
  note = {Source identifier: 16252271}
}