@misc{indiciae3184ca6a2223,
  title = {Topical hydroxyurea and psoriasis.},
  author = {H S Zackheim and M A Karasek and A J Cox},
  year = {1972},
  doi = {10.1111/1523-1747.ep13077204},
  url = {https://pubmed.ncbi.nlm.nih.gov/4550492/},
  note = {Source identifier: 4550492}
}