Stasiak, Jarosław, and Sebastian Konrad Matyjek. “Designer Drugs – ‘Legal Drugs’ – Substances That Threaten Life and Health – the Attitude of Public Administration – Fighting or Controlling?”. Acta Universitatis Lodziensis. Folia Iuridica, Dec. 2023, pp. 315-23, doi:10.18778/0208-6069.S.2023.27.