@misc{indiciae03442630ce3c,
  title = {Pyoderma gangrenosum with pulmonary involvement.},
  author = {M D Vignon-Pennamen and A Zelinsky-Gurung and F Janssen and J Frija and D Wallach},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2774598/},
  note = {Source identifier: 2774598}
}