@misc{indiciae555350232215,
  title = {You cannot use what you do not know.},
  author = {Robert H Johr},
  year = {2003},
  doi = {10.1001/archderm.139.6.810-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/12810520/},
  note = {Source identifier: 12810520}
}