@misc{indiciaecd1b9b14d82b,
  title = {Reliability of colonoscopy.},
  author = {R L Byrd and H W Boggs and G W Slagle and P A Cole},
  year = {1989},
  doi = {10.1007/bf02553873},
  url = {https://pubmed.ncbi.nlm.nih.gov/2591276/},
  note = {Source identifier: 2591276}
}