@misc{indiciae952b1769c4b4,
  title = {Flexible sigmoidoscopy for screening.},
  author = {K D Wrenn},
  year = {1988},
  doi = {10.7326/0003-4819-108-3-494\_2},
  url = {https://pubmed.ncbi.nlm.nih.gov/3341695/},
  note = {Source identifier: 3341695}
}