Kolja Schmidt

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Chemical-toxicological testing during the period from 1987 to 1993 revealed a remarkable increase in amphetamine positive cases in the greater Frankfurt area. Amphetamine abuse is particularly worrying in car drivers, where the proportion of amphetamine positive cases increased from 0.49% in 1987 to 9.40% in 1993. Considering the fact, that the only samples(More)
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