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Figure 2. The frequency of cases with (a) no drugs or ethanol detected (4%), (b) ethanol detected (40%), (c) drugs and ethanol detected (23%), and (d) drugs detected (79%).

The frequency of cases with (a) no drugs or ethanol detected (4%), (b) ethanol detected (40%), (c) drugs and ethanol detected (23%), and (d) drugs detected (79%).
Description

This image is Figure 2 in the article "Drug-Impaired Driving: The Contribution of Emerging and Undertested Drugs."

The frequency of cases with (a) no drugs or ethanol detected (4%), (b) ethanol detected (40%), (c) drugs and ethanol detected (23%), and (d) drugs detected (79%).