@misc{indiciaee5dd7d7c7e79,
  title = {Sigmoidoscopy: case finding versus screening.},
  author = {S J Winawer and J F Kerner},
  year = {1988},
  doi = {10.1016/0016-5085(88)90515-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3292343/},
  note = {Source identifier: 3292343}
}