Kimergård, Andreas and Foley, Michelle and Davey, Zoe and Wadsworth, Elle and Drummond, Colin and Deluca, Paolo (2017) The challenge of complex drug use: Associated use of codeine-containing medicines and new psychoactive substances in a European cross-sectional online population. Human Psychopharmacology , 32 , (3) , e2611.

Lorenzetti, Valentina and Hindocha, Chandni and Petrilli, Kat and Griffiths, Paul and Brown, Jamie and Castillo-Carniglia, Álvaro and Caulkins, Jonathan P and Englund, Amir and ElSohly, Mahmoud A and Gage, Suzanne H and Groshkova, Teodora and Gual, Antoni and Hammond, David and Lawn, Will and López-Pelayo, Hugo and Manthey, Jakob and Mokrysz, Claire and Liccardo Pacula, Rosalie and van Laar, Margriet and Vandrey, Ryan and Wadsworth, Elle and Winstock, Adam and Hall, Wayne and Curran, H Valerie and Freeman, Tom P (2022) The iCannToolkit: a tool to embrace measurement of medicinal and non-medicinal cannabis use across licit, illicit and cross-cultural settings. Addiction , 117 , (6) , pp. 1523-1525.

Pardal, Mafalda and Wadsworth, Elle and Kilmer, Beau (2024) Illegal synthetic opioids. Can Europe prevent a crisis? CA: RAND Corporation.

RAND Europe. Wadsworth, Elle and Pardal, Mafalda and Strang, Lucy and Atuesta, Laura and Oades, Fin and Hutton, Emily and Sevigny, Eric and Lawson, Emily (2025) The impact of drug-related law enforcement activity on serious violence and homicide: a systematic review. London: Home Office.

Lorenzetti, Valentina and Hindocha, Chandni and Petrilli, Kat and Griffiths, Paul and Brown, Jamie and Castillo-Carniglia, Álvaro and Caulkins, Jonathan P and Englund, Amir and ElSohly, Mahmoud A and Gage, Suzanne H and Groshkova, Teodora and Gual, Antoni and Hammond, David and Lawn, Will and López-Pelayo, Hugo and Manthey, Jakob and Mokrysz, Claire and Pacula, Rosalie Liccardo and van Laar, Margriet and Vandrey, Ryan and Wadsworth, Elle and Winstock, Adam and Hall, Wayne and Curran, H Valerie and Freeman, Tom P (2022) The International Cannabis Toolkit (iCannToolkit): a multidisciplinary expert consensus on minimum standards for measuring cannabis use. Addiction , 117 , (6) , pp. 1510-1517.