TY  - RPRT
TI  - Established principles and unresolved problems in carcinogenesis.
AU  - I Berenblum
PY  - 1978
DO  - 10.1093/jnci/60.4.723
UR  - https://pubmed.ncbi.nlm.nih.gov/344897/
ID  - 344897
ER  -