LE rat

:   Long‐Evans rat

LEC rat

:   LE rat with a cinnamon‐like coat color

LEA rat

:   LE rat with an agouti coat color

Cu‐free LEC rat

:   LEC rat fed Cu‐free diet since birth

CA

:   chromosome aberrations

DMBA

:   7,12‐dimethyl‐benz \[a\] anthracene

TMBA

:   7,8,12‐trimethylbenz\[a\]anthracene

AFB~1~

:   aflatoxin B~1~

BNU

:   *n*‐butyl‐N‐nitrosourea

MMS

:   methylmethanesulfonate
