Helsinki (1)

Prevalence of Psychoactive Substances in Road Traffic (1)

Psychoactive Substances in Accident Involved Drivers (1)

Relative Risk Estimation of Accident Involvement for Impaired Drivers (1)

Unknown status (1)

Finnish Institute for Health and Welfare (1)

European Commission (1)

Hospital District of Helsinki and Uusimaa (1)

Other (1)

Observational (1)

psychoactive substances in accident involved drivers

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Unknown status

Sep 30, 2011