Gannon, Maria and Farragher, B and Ahmad, I (1996) Absent without leave: can we predict those who go AWOL? Irish Journal of Psychological Medicine , 13 , (1) , pp. 28-30.

Hay, Gordon and Gannon, Maria and Casey, Jane and Millar, Tim (2011) Estimates of the prevalence of opiate use and/or crack cocaine use, 2009/10: Sweep 6 report. London: National Treatment Agency for Substance Misuse.

Gannon, Maria and McKeganey, Neil and Hay, Gordon (2011) Protocol for national substance misuse rehabilitation cohort study. Dublin: National Advisory Committee on Drugs.

Gannon, Maria and Hay, Gordon and McKell, Jennifer (2011) Research into methods and data sources for the estimation of prevalence of problematic opiate and cocaine use in Ireland. Dublin: National Advisory Committee on Drugs.

MacLeod, Katy and Pickering, Lucy and Gannon, Maria and Greenwood, Sharon and Liddell, Dave and Smith, Austin and Johnstone, Lauren and Burton, George (2016) Understanding the patterns of use, motives, and harms of New Psychoactive Substances in Scotland. Edinburgh: Scottish Government.

McKeganey, Neil and Hay, Gordon and McIntosh, James and Highet, Gill and Gannon, Maria and MacDougall, Jane and MacAskill, Susan and Wilson, Graeme and Stead, Martine and Hastings, Gerard and Curtice, John and Hinds, Kerstin (2004) Working with young people: a profile of projects funded by the Partnership Drugs Initiative. Edinburgh: Scottish Executive.