@misc{indiciae38db9d91e639,
  title = {PC program extending the Potthoff-Roy longitudinal data analysis model to allow missing data: Kleinbaum's method.},
  author = {I Y Guo and E D Schneiderman and C J Kowalski and S M Willis},
  year = {1995},
  doi = {10.1016/s0020-7101(05)80007-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/7774984/},
  note = {Source identifier: 7774984}
}