@misc{indiciae8275f38dad6e,
  title = {Marginalized transition models and likelihood inference for longitudinal categorical data.},
  author = {Patrick J Heagerty},
  year = {2002},
  doi = {10.1111/j.0006-341x.2002.00342.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/12071407/},
  note = {Source identifier: 12071407}
}