TY  - RPRT
TI  - Aging as a confounding factor in carcinogenicity bioassays.
AU  - M S von Wittenau
AU  - D J Gans
PY  - 1981
DO  - 10.3109/01480548109017823
UR  - https://pubmed.ncbi.nlm.nih.gov/7344908/
ID  - 7344908
ER  -