@misc{indiciaec3b72c891084,
  title = {Internal sphincterotomy. An appraisal with special reference to sequelae.},
  author = {K J Hardy},
  year = {1967},
  doi = {10.1002/bjs.1800540109},
  url = {https://pubmed.ncbi.nlm.nih.gov/6016750/},
  note = {Source identifier: 6016750}
}