
In the seized samples, the concentrations of diamorphine (heroin) varied from zero to more than seventy percent and the concentrations of cocaine from zero to more than ninety percent. Such variations in concentrations of active constituents constitute a major risk for those who use and abuse street drugs.
Chromatography, Gas, Belgium, Illicit Drugs, Urban Health, Humans, Gas Chromatography-Mass Spectrometry
Chromatography, Gas, Belgium, Illicit Drugs, Urban Health, Humans, Gas Chromatography-Mass Spectrometry
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