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Compound (CTS) and permanent threshold shifts (PTS) versus frequencies obtained from styrene-exposed rats being 21 weeks old but having different weight (slim group : 312g; fat group : 411g). Styrene exposure : 700 ppm, 6 h/d, 5 d/w, 4 w. Each point represents the mean and the bars represent the 95 % half-confidence intervals.

Compound (CTS) and permanent threshold shifts (PTS) versus frequencies obtained from
styrene-exposed rats being 21 weeks old but having different weight (slim group : 312g; fat group :
411g). Styrene exposure : 700 ppm, 6 h/d, 5 d/w, 4 w. Each point represents the mean and the bars represent
the 95 % half-confidence intervals.