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Contact: Marcus Östman
Umea University


Caption: One of the four benzodiazepines included in this study, oxazepam, a short-acting benzodiazepine used legally in Sweden, was detected in all STPs (33/33) in the range from 20 to 200 mg (1,000 inhabitants).

Credit: Department of Chemistry, Umeå University, Sweden

Usage Restrictions: None

Related news release: Drug residues detected in Swedish sewage water

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