Campbell, Anne and Harris, Julie and Wolfe, Julia and Diamond, Aisling and Mullen, Donna and Oteo, Alberto (2023) Drug overdoses and drug related deaths in NI: a synthesis of NISRA, ED admissions & ambulance service data. Belfast: Queen's University Belfast and NIADA.

Harris, Julie and Gray, Ann and Cowan, Rosie (2023) Northern Ireland drug and alcohol alliance: impacts of COVID-19 on people who use services and providers. Ulster University.

Harris, Julie and Gray, Ann Marie and Niblock, Tobias (2024) Increased complexity of clients’ substance use needs and service provider responses during and after the COVID-19 pandemic. Belfast: Northern Ireland Alcohol and Drugs Alliance.

Harris, Julie and McElrath, Karen (2012) Methadone as social control: institutionalized stigma and the prospect of recovery. Qualitative Health Research, 22, (6), pp. 810-824. doi: 10.1177/1049732311432718.

Harris, Julie and Shorter, Gillian W and Davidson, Gavin and Best, Paul (2020) Risk perception, changing social context, and norms prevent transition to regular injection among people who smoke heroin. Drug and Alcohol Dependence, 208, p. 107878. doi: 10.1016/j.drugalcdep.2020.107878.

McElrath, Karen and Harris, Julie (2013) Peer injecting: implications for injecting order and blood-borne viruses among men and women who inject heroin. Journal of Substance Use, 18, (1), pp. 31-45. 10.3109/14659891.2012.716901.

Niblock, Tobias and Harris, Julie (2025) Risk environment influences affecting cocaine market expansion within post-conflict Northern Ireland. International Journal of Drug Policy, 138, 104760. https://doi.org/10.1016/j.drugpo.2025.104760.