@misc{indiciae72e6493ad16e,
  title = {When is a prognostic factor useful? A guide for the perplexed.},
  author = {M N Levine and G P Browman and M Gent and R Roberts and M Goodyear},
  year = {1991},
  doi = {10.1200/jco.1991.9.2.348},
  url = {https://pubmed.ncbi.nlm.nih.gov/1988581/},
  note = {Source identifier: 1988581}
}