@misc{indiciae03fdff2feb91,
  title = {ALS issues in clinical trials. Missing data.},
  author = {John L P Thompson and Gilberto Levy},
  year = {2004},
  doi = {10.1080/17434470410019753},
  url = {https://pubmed.ncbi.nlm.nih.gov/15512872/},
  note = {Source identifier: 15512872}
}