@misc{indiciaea4957c0bc2f4,
  title = {Probability imputation revisited for prognostic factor studies.},
  author = {M Schemper and G Heinze},
  doi = {10.1002/(sici)1097-0258(19970115)16:1<73::aid-sim472>3.0.co;2-z},
  url = {https://pubmed.ncbi.nlm.nih.gov/9004384/},
  note = {Source identifier: 9004384}
}