a preliminary toxicity study was conducted in male b6d2f1 mice with gavage of retinoids in corn oil ( 0.01 , 0.05 , and 0.1 mg/kg/day of smr-2 or smr-6 ; 1 , 5 , and 10 mg/kg/day of ra as reference control ) .
C0035339
retinoids
C0040845
ra