@misc{indiciae4bec3d6d9775,
  title = {Proctosigmoidoscopy.},
  author = {G McHardy and C H Brown and A J Kauvar},
  year = {1968},
  url = {https://pubmed.ncbi.nlm.nih.gov/5649138/},
  note = {Source identifier: 5649138}
}