@misc{indiciaeb0c4047c1b91,
  title = {Gastroenterology.},
  author = {L J O'Donnell and E M Alstead and M J Farthing},
  year = {1990},
  doi = {10.1136/pgmj.66.776.419},
  url = {https://pubmed.ncbi.nlm.nih.gov/2216993/},
  note = {Source identifier: 2216993}
}