@misc{indiciaef57632fa9de6,
  title = {Colonoscopy without sedation.},
  author = {J J O'Connor},
  year = {2001},
  doi = {10.1007/bf02235496},
  url = {https://pubmed.ncbi.nlm.nih.gov/11496088/},
  note = {Source identifier: 11496088}
}