Click on the following links. Please note these will open in a new window.
Durham, R. C. (2007). Treatment of generalized anxiety disorder. Psychiatry, 6(5): 183–187. (A very readable and concise overview of the effectiveness of CBT and drug treatments of GAD, with a comparison between the two.)
Mogoaşe, C., David, D., & Koster, E. H. W. (2014). Clinical efficacy of attentional bias modification procedures: An updated meta-analysis. Journal of Clinical Psychology, in press. (A recent meta-analysis of research on attentional bias modification, with some good balanced discussions of why different meta-analyses have yielded different findings.)
Newman, M. G., Llera, S. J., Erickson, T. M., Przeworksi, A., & Castonguay, L. G. (2013). Worry and generalized anxiety disorder: A review and theoretical synthesis of evidence on nature, etiology, mechanisms, and treatment. Annual Review of Clinical Psychology, 9: 275–297. (Comprehensive and engagingly written summary of pretty much everything to do with GAD.)