@misc{indiciae05ac11ed041f,
  title = {Gastroenterology.},
  author = {Janusz Jankowski and John de Caestecker and Bertus Eksteen and Ian Perry},
  year = {2002},
  doi = {10.1136/bmj.325.7368.s113a},
  url = {https://pubmed.ncbi.nlm.nih.gov/12376456/},
  note = {Source identifier: 12376456}
}