Complex sentence: The short-term NOAEL of 9.6-10 mg/kg bw/day was derived from 90-day rat, 90-day dog and 1-year dog studies and the long-term NOAEL was 7.5 mg/kg bw/day.
Split into simpler sentences: The short-term NOAEL of 9.6-10 mg/kg bw/day was derived from 90-day rat, 90-day dog and 1-year dog studies. The long-term NOAEL was the dose level of 7.5 mg/kg bw/day.