Minimal-effekt-niveauet var 3,3 g/kg legemsvægt hos hanrotter og 4 g/kg legemsvægt hos hunrotter; nedsat relativ hjernevægt forekom ved disse doser.
The minimal effect level in male mice was 3.3 g/kg b.w. and in female mice 4 g/kg b.w., reduced relative brain weight occurred at these doses.