@misc{indiciaedadbb0c5667a,
  title = {A modified Warthin-Starry procedure at low pH for melanin.},
  author = {R L Warkel and L G Luna and E B Helwig},
  year = {1980},
  doi = {10.1093/ajcp/73.6.812},
  url = {https://pubmed.ncbi.nlm.nih.gov/6156596/},
  note = {Source identifier: 6156596}
}