@misc{indiciae17d280b92500,
  title = {Letter: Cryotherapy for piles.},
  author = {H D Kaufman},
  year = {1975},
  doi = {10.1136/bmj.4.5994.463-f},
  url = {https://pubmed.ncbi.nlm.nih.gov/1192132/},
  note = {Source identifier: 1192132}
}