Samenvatting
This paper presents toxicologic findings from specimens of 145 drivers suspected of driving under the influence of drugs and/or ethanol in the period 1974-1979, in the region of Aachen (Aix la Chapelle). Illicit drugs findings predominated under aged 30. Findings of therapeutic drugs were more frequent at an age of 30 years and more. With regard to a higher traffic safety it is emphasized in suspected cases to take samples of blood and urine, completed by a skiful medical examination.