@article{ref1,
title="Multiple drug use and clinical signs of drugs",
journal="Proceedings International Council on Alcohol, Drugs and Traffic Safety Conference",
year="2002",
author="Álvarez, Francisco Javier",
volume="2002",
number="",
pages="321 p.-321 p.",
abstract="Driving under the influence of drugs [other than alcohol] it is a problem of increasing relevance elsewhere. Identify the driver under the influence of drugs it is important in many aspects, from law enforcement to road safety. The objective of this study was to assess the multiple drug use problem among drivers, including alcohol-drug combination, and consider their relevance in relation to the clinical signs of drugs and law enforcement. (Abstract only)<p />",
language="",
issn="",
doi="",
url="http://dx.doi.org/"
}