@misc{indiciae1435b5fe9873,
  title = {Upper gastrointestinal tumors.},
  author = {R Lambert},
  year = {2006},
  doi = {10.1055/s-2005-921208},
  url = {https://pubmed.ncbi.nlm.nih.gov/16479419/},
  note = {Source identifier: 16479419}
}