Armario A. The hypothalamic-pituitary-adrenal axis: what can it tell us about stressors? CNS Neurol Disord Drug Targets. 2006, 5(5):485-501.

Armario A. The contribution of immediate early genes to the understanding of brain processing of stressors. IN: Immediate early genes in sensory processing, cognitive performance and neurological disorders; R Pinaud and L Tremere Eds, Springer Science+Business Media, 2006, pp. 199-221.

Peña Y, Prunell M, Dimitsantos V, Nadal R, Escorihuela RM. Environmental enrichment effects in social investigation in rats are gender dependent. Behav Brain Res. 2006, 174(1):181-7.

Vallès A, Martí O, Armario A. Long-term effects of a single exposure to immobilization: a c-fos mRNA study of the response to the homotypic stressor in the rat brain. J Neurobiol. 2006, 66(6):591-602.

Ribeiro Do Couto B, Aguilar MA, Manzanedo C, Rodríguez-Arias M, Armario A, Miñarro J. Social stress is as effective as physical stress in reinstating morphine-induced place preference in mice. Psychopharmacology. 2006, 185(4):459-70.

Trnecková L, Armario A, Hynie S, Sída P, Klenerová V. Differences in the brain expression of c-fos mRNA after restraint stress in Lewis compared to Sprague-Dawley rats. Brain Res. 2006, 1077(1):7-15.

Márquez C, Nadal R, Armario A. Influence of reactivity to novelty and anxiety on hypothalamic-pituitary-adrenal and prolactin responses to two different novel environments in adult male rats. Behav Brain Res. 2006, 168(1):13-22.

Nadal R, Escorihuela RM, Armario A .The elevated plus-maze test of anxiety: methodological considerations. In: Anderson MJ (Ed.) Tasks and techniques: a sampling of the methodologies for the investigation of animal learning, behavior and cognition. Nova Science Publishers, NY, 2006, 25-37.