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. doi: 10.1002/hup.2611.

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. doi: 10.1111/add.15855.

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. doi: 10.1111/add.15702.

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

Rundle, Samantha and Hong, Daniel Danh and Iraniparast, Maryam and Rynard, Vicki and Wadsworth, Elle and Pacula, Rosalie Liccardo and Kilmer, Beau and Hammond, David (2025) Self-reported cannabis prices and expenditures from legal and illegal sources five years after legalisation of non-medical cannabis in Canada. Drug and Alcohol Review, Early online, https://doi.org/10.1111/dar.70009.

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.