@misc{indiciaef74f0122dca9,
  title = {A comparison of multivariable mathematical methods for predicting survival--II. Statistical selection of prognostic variables.},
  author = {S D Walter and A R Feinstein and C K Wells},
  year = {1990},
  doi = {10.1016/0895-4356(90)90121-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/2324776/},
  note = {Source identifier: 2324776}
}