@misc{indiciae0b61066b173f,
  title = {Chemical carcinogenesis.},
  author = {H J Ryser},
  year = {1971},
  doi = {10.1056/nejm197109232851305},
  url = {https://pubmed.ncbi.nlm.nih.gov/4942982/},
  note = {Source identifier: 4942982}
}