@misc{indiciaed91a30de5c95,
  title = {Colon filling defect.},
  author = {L Kreel and T Beale},
  year = {1993},
  doi = {10.1136/pgmj.69.814.627},
  url = {https://pubmed.ncbi.nlm.nih.gov/8234107/},
  note = {Source identifier: 8234107}
}