@misc{indiciaeffd477b7edbe,
  title = {Pyoderma gangrenosum.},
  author = {J P Callen},
  year = {1998},
  doi = {10.1016/s0140-6736(97)10187-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/9492798/},
  note = {Source identifier: 9492798}
}