@misc{indiciaea847d1ebe7ec,
  title = {[Pyoderma gangrenosum. Live-germ desensitization].},
  author = {P Y Castelain},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4642878/},
  note = {Source identifier: 4642878}
}