highly significantP = 0.01
Conversely, exposure to toluene alone and co-exposure to noise and toluene resulted in a highly significant reduction in CAT activity (0.035 ± 0.004 vs. 0.053 ± 0.035 μmol/min/g protein, P = 0.01 and 0.0255 ± 0.004 vs. 0.053 ± 0.035 μmol/min/g protein, P = 0.01, respectively).