@misc{indiciaec1e1b981d856,
  title = {Nitrosamines as environmental carcinogens.},
  author = {W Lijinsky and S S Epstein},
  year = {1970},
  doi = {10.1038/225021a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/5409687/},
  note = {Source identifier: 5409687}
}