@misc{indiciae33edb642edcf,
  title = {Fiberoptic colonscopy and polypectomy.},
  author = {P Y Varela and W F Easley},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4825263/},
  note = {Source identifier: 4825263}
}