@misc{indiciaeca285cbc498b,
  title = {Fistula-in-ano.},
  author = {M Killingback},
  year = {1999},
  doi = {10.1046/j.1440-1622.1999.01691.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/10553962/},
  note = {Source identifier: 10553962}
}