Drivers who tested positive for cannabis in oral fluid: a longitudinal analysis of administrative data for Spain between 2011 and 2016
Objectives This study aimed to assess the association between positive roadside tests for delta-9-tetrahydrocannabinol (THC) and other driving-impairing substances and THC concentrations and the age and gender of THC-positive drivers.Design This study is based on administrative data.Setting, partici...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMJ Publishing Group
2019-08-01
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| Series: | BMJ Open |
| Online Access: | https://bmjopen.bmj.com/content/9/8/e026648.full |
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