@misc{indiciaec720de9e2e89,
  title = {Letter: Cryosurgery for piles.},
  author = {P F Schofield and M Wilson},
  year = {1975},
  doi = {10.1136/bmj.4.5995.520},
  url = {https://pubmed.ncbi.nlm.nih.gov/1192156/},
  note = {Source identifier: 1192156}
}