@misc{indiciae763d8fb627a3,
  title = {Perception errors with double-contrast enema after a positive guaiac test.},
  author = {J Kewenter and J Jensen and M Boijsen and G Lycke and U Tylén},
  year = {1987},
  doi = {10.1007/bf01885109},
  url = {https://pubmed.ncbi.nlm.nih.gov/3792765/},
  note = {Source identifier: 3792765}
}