@misc{indiciae53b70f8d3b3b,
  title = {[Internal sphincterotomy. Indications and technic].},
  author = {C A Petrozzi and C C Dubra},
  year = {1965},
  url = {https://pubmed.ncbi.nlm.nih.gov/5886569/},
  note = {Source identifier: 5886569}
}