@misc{indiciae70c1b654d940,
  title = {Ano-rectal melanoma.},
  author = {J K Mason and E B Helwig},
  year = {1966},
  doi = {10.1002/1097-0142(196601)19:1<39::aid-cncr2820190104>3.0.co;2-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/5901406/},
  note = {Source identifier: 5901406}
}