@misc{indiciaeff0ac7069209,
  title = {[Rectal fistulae].},
  author = {A Zängl},
  year = {1972},
  doi = {10.1007/bf01282664},
  url = {https://pubmed.ncbi.nlm.nih.gov/4646334/},
  note = {Source identifier: 4646334}
}