@misc{indiciae79366f65082b,
  title = {A random-effects Markov transition model for Poisson-distributed repeated measures with non-ignorable missing values.},
  author = {Jinhui Li and Xiaowei Yang and Yingnian Wu and Steven Shoptaw},
  year = {2007},
  doi = {10.1002/sim.2717},
  url = {https://pubmed.ncbi.nlm.nih.gov/17106918/},
  note = {Source identifier: 17106918}
}