Corrigendum to ’Substances from unregulated drug markets – A retrospective data analysis of customer-provided samples from a decade of drug checking service in Zurich (Switzerland)’ [Volume 114, April 2023, 103972] Publication date: June 2023 Source: International Journal of Drug Policy, Volume 116 Author(s): Raphael Magnolini, Martina Schneider, Dominique Schori, Daniel Trachsel, Philip Bruggmann Read the full article ›