Dines, Alison M and Wood, David M and Yates, Christopher and Heyerdahl, Fridtjof and Hovda, Knut Erik and Giraudon, Isabelle and Sedefov, Roumen and Dargan, Paul I (2015) Acute recreational drug and new psychoactive substance toxicity in Europe: 12 months data collection from the European Drug Emergencies Network (Euro-DEN). Clinical Toxicology , 53 , (9) , pp. 893-900.

Cunningham, Andrew and Laniel, Laurent and Preisler, Lutz and Bergner, Michael and Sedefov, Roumen (2023) Captagon trafficking and the role of Europe. Luxembourg: Publications Office of the European Union.

Groshkova, Teodora and Cunningham, Andrew and Royuela, Luis and Singleton, Nicola and Saggers, Tony and Sedefov, Roumen (2018) Drug affordability-potential tool for comparing illicit drug markets. International Journal of Drug Policy , 56 , pp. 187-196.

Mounteney, Jane and Griffiths, Paul and Sedefov, Roumen and Noor, Andre and Vicente, Julian and Simon, Roland (2016) The drug situation in Europe: an overview of data available on illicit drugs and new psychoactive substances from European monitoring in 2015. Addiction , 111 , (1) , pp. 34-48.

European Monitoring Centre for Drugs and Drug Addiction. Gallegos, Ana and Sedefov, Roumen (2012) Early warning system: national profiles. Luxembourg: Publications Office of the European Union.

European Monitoring Centre for Drugs and Drug Addiction. King, Leslie A and Sedefov, Roumen (2007) Early-warning system on new psychoactive substances: operating guidelines. Luxembourg: Office for Official Publications of the European Communities.

Groshkova, Teodora and Cunningham, Andrew and Singleton, Nicola and Laniel, Laurent and Surmont, T and Sedefov, Roumen (2018) The future of drug supply monitoring in Europe. Lisbon: European Monitoring Centre for Drugs and Drug Addiction.

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.

Freeman, Tom P and Groshkova, Teodora and Cunningham, Andrew and Sedefov, Roumen and Griffiths, Paul and Lynskey, Michael T (2019) Increasing potency and price of cannabis in Europe, 2006‐2016. Addiction , 114 , (6) .

Dines, Alison M and Wood, David M and Galicia, Miguel and Yates, Christopher M and Heyerdahl, Fridtjof and Hovda, Knut Erik and Giraudon, Isabelle and Sedefov, Roumen and Dargan, Paul I (2015) Presentations to the emergency department following cannabis use--a multi-centre case series from ten European countries. Journal of Medical Toxicology , 11 , (4) , pp. 415-421.

European Monitoring Centre for Drugs and Drug Addiction. Sedefov, Roumen and Gallegos, Ana (2011) Report on the risk assessment of mephedrone in the framework of the Council Decision on new psychoactive substances. Luxembourg: Publications Office of the European Union.

Auwärter, Volker and de Morais, Joanna and Gallegos, Ana and Evans-Browns, Michael and Christie, Rachel and Jorge, Rita and Sedefov, Roumen (2021) Synthetic cannabinoids in Europe – a review. Luxembourg: Publications Office of the European Union.