@misc{indiciae6d6ddd9d4791,
  title = {A perianal ulcer.},
  author = {M L Schmid and M W McKendrick and A Lobo and M Leach},
  year = {1999},
  doi = {10.1016/s0140-6736(98)10454-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/10093983/},
  note = {Source identifier: 10093983}
}