@misc{indiciae12b03d83f4e2,
  title = {Colonoscopy.},
  author = {C B Williams},
  year = {1986},
  doi = {10.1093/oxfordjournals.bmb.a072136},
  url = {https://pubmed.ncbi.nlm.nih.gov/3545376/},
  note = {Source identifier: 3545376}
}