@misc{indiciae156622cc6533,
  title = {Ocular involvement in pyoderma gangrenosum.},
  author = {R Happle and H P Schiffer and P M Kövary},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/931410/},
  note = {Source identifier: 931410}
}