@misc{indiciaeda5e6b41d22d,
  title = {Prognostic grouping: the next step in tumor classification.},
  author = {P Hermanek and R V Hutter and L H Sobin},
  year = {1990},
  doi = {10.1007/bf01613004},
  url = {https://pubmed.ncbi.nlm.nih.gov/2229143/},
  note = {Source identifier: 2229143}
}