@misc{indiciae838a13f5c71b,
  title = {Letter: Colonoscopic polypectomy.},
  author = {C B Williams},
  year = {1974},
  doi = {10.1016/s0140-6736(74)91653-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4136884/},
  note = {Source identifier: 4136884}
}