@misc{indiciae61629a11dfa8,
  title = {Targeting colonoscopy.},
  author = {J V Selby},
  year = {1994},
  doi = {10.1016/0016-5085(94)90429-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/8194719/},
  note = {Source identifier: 8194719}
}