El Ansari, Walid and Ssewanyana, Derrick and Stock, Christiane (2018) Behavioral health risk profiles of undergraduate university students in England, Wales, and Northern Ireland: a cluster analysis. Frontiers in Public Health , 6 , (120) .

El Ansari, Walid and Sebena, Rene and Stock, Christiane (2014) Do importance of religious faith and healthy lifestyle modify the relationships between depressive symptoms and four indicators of alcohol consumption? A survey of students across seven universities in England, Wales, and Northern Ireland. Substance Use & Misuse , 49 , (3) , pp. 211-220.

El Ansari, Walid and Vallentin-Holbech, Lotte and Stock, Christiane (2015) Predictors of illicit drug use among university students in Northern Ireland, Wales and England. Global Journal of Health Science , 7 , (4) , pp. 18-29.