1. Ehlers A, Clark DM, Hackmann A, Grey N, et al. (2010). Intensive cognitive therapy for PTSD: a feasibility study. Behavioural and Cognitive Psychotherapy 38(4):383-98.
2. Ehlers A, Bisson J, Clark DM, Creamer M, et al. (2010). Do all psychological treatments really work the same in posttraumatic stress disorder? Clinical Psychology Review 30(2):269-76.
3. Ehlers A, Clark DM. (2008). Post-traumatic stress disorder: the development of effective psychological treatments. Nordic Journal of Psychiatry 47:11-8.
4. Duffy M, Gillespie K, Clark DM. (2007). Post-traumatic stress disorder in the context of terrorism and other civil conflict in Northern Ireland: randomised controlled trial. BMJ: British Medical Journal 334(7604).
5. Speckens AE, Ehlers A, Hackmann A, Clark DM. (2006). Changes in intrusive memories associated with imaginal reliving in posttraumatic stress disorder. Journal of Anxiety Disorders 20(3):328-41.
6. Ehlers A, Clark DM, Hackmann A, McManus F, et al. (2005). Cognitive therapy for post-traumatic stress disorder: development and evaluation. Behaviour Research and Therapy 43(4):413-31.
7. Gillespie K, Duffy M, Hackmann A, Clark DM. (2002). Community-based cognitive therapy in the treatment of post-traumatic stress disorder following the Omagh bomb. Behaviour Research and Therapy 40(4):345-357.