@misc{indiciae2387493c110c,
  title = {Hyperpigmentation of the basal layer [proceedings].},
  author = {R Freedman},
  year = {1977},
  doi = {10.1001/archderm.113.4.512},
  url = {https://pubmed.ncbi.nlm.nih.gov/848986/},
  note = {Source identifier: 848986}
}