@misc{indiciaed8464b074fa8,
  title = {Multi-state models: a review.},
  author = {P Hougaard},
  year = {1999},
  doi = {10.1023/a:1009672031531},
  url = {https://pubmed.ncbi.nlm.nih.gov/10518372/},
  note = {Source identifier: 10518372}
}