@misc{indiciae7d1368d68f15,
  title = {Upper gastrointestinal tumors.},
  author = {T Rösch},
  year = {2001},
  doi = {10.1055/s-2001-17927},
  url = {https://pubmed.ncbi.nlm.nih.gov/11668399/},
  note = {Source identifier: 11668399}
}