@misc{indiciae669ea75af649,
  title = {Cross-validation in survival analysis.},
  author = {P J Verweij and H C Van Houwelingen},
  year = {1993},
  doi = {10.1002/sim.4780122407},
  url = {https://pubmed.ncbi.nlm.nih.gov/8134734/},
  note = {Source identifier: 8134734}
}