@misc{indiciae02028bd6ba15,
  title = {Psoriatic arthritis.},
  author = {D D Gladman},
  year = {1990},
  doi = {10.1097/00002281-199002040-00004},
  url = {https://pubmed.ncbi.nlm.nih.gov/2206798/},
  note = {Source identifier: 2206798}
}