@misc{indiciae55fb19050aa6,
  title = {Multiple keratoacanthomas.},
  author = {A W Kopf},
  year = {1971},
  doi = {10.1001/archderm.103.5.543},
  url = {https://pubmed.ncbi.nlm.nih.gov/5580301/},
  note = {Source identifier: 5580301}
}