@misc{indiciae95c4d2477d34,
  title = {Colonoscopy or flexible proctosigmoidoscopy.},
  author = {B M Stephenson and P J Finan},
  year = {1990},
  doi = {10.1007/bf02150755},
  url = {https://pubmed.ncbi.nlm.nih.gov/2248647/},
  note = {Source identifier: 2248647}
}