@misc{indiciaed4bf02e97cd8,
  title = {A simple portable dark-field microscope.},
  author = {L GOLDMAN and F SAWYER},
  year = {1959},
  doi = {10.1001/archderm.1959.01560170087014},
  url = {https://pubmed.ncbi.nlm.nih.gov/13636452/},
  note = {Source identifier: 13636452}
}