1. Prevalence of psychoactive substances, alcohol, illicit drugs, and medicines, in Spanish drivers: A roadside study 
Trinidad Gómez-Talegón, Inmaculada Fierro, Juan Carlos González-Luque, Monica Colás, Manuel López-Rivadulla, F. Javier Álvarez 
Forensic Science International 
Volume 223, Issue 1, Pages (November 2012)
DOI: /j.forsciint
Copyright © 2012 Elsevier Ireland Ltd Terms and Conditions

2. Fig. 1
Cases found positive for alcohol, illicit drugs, and medicines in Spanish drivers. Results are presented al percentage and 95% Confidence Interval.
Forensic Science International  , DOI: ( /j.forsciint )
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3. Fig. 2 Correlation between positive cases to any substance with age.
Forensic Science International  , DOI: ( /j.forsciint )
Copyright © 2012 Elsevier Ireland Ltd Terms and Conditions

4. Fig. 3
Correlation between alcohol (<0.05mg/l) positive cases in breath with age.
Forensic Science International  , DOI: ( /j.forsciint )
Copyright © 2012 Elsevier Ireland Ltd Terms and Conditions

5. Fig. 4
Correlation between cannabis, cocaine and benzodiazepines positive cases with age (in all cases alone or in combination with other substances).
Forensic Science International  , DOI: ( /j.forsciint )
Copyright © 2012 Elsevier Ireland Ltd Terms and Conditions

6. Fig. 5
Distribution of positive cases according substance types and periods of the week.
Forensic Science International  , DOI: ( /j.forsciint )
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