Report

European Monitoring Centre for Drugs and Drug Addiction. Ujváry, István and Evans-Brown, Michael and Gallegos, Ana and Planchuelo, Gregorio and de Morais, Joanna and Christie, Rachel and Jorge, Rita and Sedefov, Roumen (2023) Hexahydrocannabinol (HHC) and related substances. Technical report. Luxembourg: Office for Official Publications of the European Communities.