Augmentation of the noradrenergic system in alpha-2 adrenergic receptor deficient mice: anatomical changes associated with enhanced fear memory.
Davies MF, Tsui JY, Flannery JA, Li X, DeLorey TM, Hoffman BB. Augmentation of the noradrenergic system in alpha-2 adrenergic receptor deficient mice: anatomical changes associated with enhanced fear memory. Brain Res. 2003 Oct 03; 986(1-2):157-65.