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Christopher Ewers

2 papers in the library · publishing 2021-2026

Papers

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A Quantitative Analysis of Street‐Level Drugs Seized in New South Wales, Australia: Purity, Dose and Adulterants

Drug and Alcohol Review September 29, 2026 Janette L. Smith, Christine A. Harvey, NSW Police Force et al.

INTRODUCTION: The Combined Surveillance and Monitoring of Seized Samples (CoSMoSS) program is a joint harm reduction initiative between NSW Health and NSW Police Force. Here, we examine the contents and purity of a sample of seized suspected target drugs (cocaine, heroin, methamphetamine and 3,4-methylenedioxymethamphetamine 'MDMA'). METHODS: Between January 2021 and March 2025, 3378 street...

A cluster of lysergic acid diethylamide (LSD) poisonings following insufflation of a white powder sold as cocaine.

Clinical Toxicology November 2021 Darren M Roberts, Kulanka H Premachandra, Betty S. Chan et al.

Adulteration, substitution or contamination of illicit substances can have clinically significant implications when other illicit substances are included. Such circumstances can present as clusters of poisonings, including severe toxicity and death following exposure to unexpected illicit substances. We report a cluster of laboratory-confirmed lysergic acid diethylamide (LSD) in a powder that...