groups of ten male and ten female 5-wk-old rats received one of the aldehydes in the drinking-water for a period of 4 wk , acetaldehyde being given at dose levels of 25 , 125 and 675 mg/kg body weight/day and formaldehyde at dose levels of 5 , 25 and 125 mg/kg body weight/day .
C0001992
aldehydes
C0000966
acetaldehyde