TY  - RPRT
TI  - Carcinogen testing: current problems and new approaches.
AU  - J H Weisburger
AU  - G M Williams
PY  - 1981
DO  - 10.1126/science.7291981
UR  - https://pubmed.ncbi.nlm.nih.gov/7291981/
ID  - 7291981
ER  -