@misc{indiciaeced608cf97de,
  title = {Diffuse and banded melanin pigmentation in nails.},
  author = {J J Leyden and D A Spott and H Goldschmidt},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/5017264/},
  note = {Source identifier: 5017264}
}