@misc{indiciae415227e13b53,
  title = {A conditional Markov model for clustered progressive multistate processes under incomplete observation.},
  author = {Richard J Cook and Grace Y Yi and Ker-Ai Lee and Dafna D Gladman},
  year = {2004},
  doi = {10.1111/j.0006-341x.2004.00188.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/15180669/},
  note = {Source identifier: 15180669}
}