@misc{indiciae0aec0b023304,
  title = {A staging system for malignant melanoma.},
  author = {A S Ketcham and W O Christopherson},
  year = {1979},
  doi = {10.1007/bf01556573},
  url = {https://pubmed.ncbi.nlm.nih.gov/473780/},
  note = {Source identifier: 473780}
}