@misc{indiciaebca6708ce0c9,
  title = {[The tumor problems (introductory lecture)].},
  author = {K H Bauer},
  year = {1971},
  doi = {10.1007/bf01770520},
  url = {https://pubmed.ncbi.nlm.nih.gov/5161683/},
  note = {Source identifier: 5161683}
}