Moylan, S., Eyre, H.A., Maes, M., Baune, B.T., Jacka, F.N., and Berk, M. (2013) Exercising the worry away: how inflammation, oxidative and nitrogen stress mediates the beneficial effect of physical activity on anxiety disorder symptoms and behaviors. Neuroscience & Biobehavioral Reviews, 37 (4). pp. 573-584.