TY  - RPRT
TI  - Nitrosamines as environmental carcinogens.
AU  - W Lijinsky
AU  - S S Epstein
PY  - 1970
DO  - 10.1038/225021a0
UR  - https://pubmed.ncbi.nlm.nih.gov/5409687/
ID  - 5409687
ER  -