Wells, JS, Bergin, M, Van Hout, MC, McGuinness, P, De Pleissisc, J, Rich, E, Dada, S, Wells, R and Gooney, MA (2018) Purchasing Over The Counter (OTC) Medicinal Products Containing Codeine - Easy Access, Advertising, Misuse and Perceptions of Medicinal Risk. Journal of Pharmacy and Pharmaceutical Sciences, 21 (1). pp. 286-295. ISSN 1482-1826

Parry, CDH, Rich, E, Van Hout, MC and Deluca, P (2017) Codeine misuse and dependence in South Africa: Perspectives of addiction treatment providers. South African Medical Journal, 107 (5). pp. 451-456. ISSN 0256-9574

Van Hout, MC, Norman, I, Rich, E and Bergin, M (2017) Experiences of Codeine Use, Misuse and Dependence: Application of Liese and Franz's Cognitive Developmental Model of Substance Abuse. Behavioural and Cognitive Psychotherapy, 45 (3). pp. 238-252. ISSN 1352-4658

Van Hout, MC, Foley, M, Carney, T, Rich, E, Parry, C and DeLuca, P (2016) Medical Professionals' Perspectives on Prescribed and Over-The-Counter Medicines Containing Codeine: A Cross-Sectional Study. British Medical Journal, 7 (6). ISSN 0959-8138

Carney, T, Wells, J, Bergin, M, Dada, S, Foley, M, McGuiness, P, Rapca, A, Rich, E and Van Hout, MC (2016) A Comparative Exploration of Community Pharmacists' Views on the Nature and Management of Over-the-Counter (OTC) and Prescription Codeine Misuse in Three Regulatory Regimes: Ireland, South Africa and the United Kingdom. International Journal of Mental Health and Addiction, 14 (4). pp. 351-369. ISSN 1557-1874

Bergin, M, Norman, I, Foley, M, Harris, R, Rapca, A, Rich, E and Van Hout, MC (2015) Practice implications and recommendations for managing codeine misuse and dependence. Acta Pharmaceutica, 65 (4). pp. 351-364. ISSN 1330-0075

Van Hout, MC, Horan, A, Santlal, K, Rich, E and Bergin, M (2015) ‘Codeine is my companion’: misuse and dependence on codeine containing medicines in Ireland. Irish Journal of Psychological Medicine. ISSN 0790-9667

Van Hout, MC, Rich, E, Dada, S and Bergin, M (2015) "codeine Is My Helper": Misuse of and Dependence on Codeine-Containing Medicines in South Africa. Qualitative Health Research, 27 (3). ISSN 1049-7323