1. Central noradrenergic neurons: a locus for the functional interplay between alpha-2 adrenoceptors and opiate receptors;Aghajanian;J. clin. Psychiatr.,1982
2. α-Adrenergic mechanisms in prefrontal cortex associated with cognitive decline in aged nonhuman primates;Arnsten;Science,1985
3. Role of monoamine pathways in the control of attention: effects of droperidol and methylphenidate in normal adult humans;Clark;Psychopharmacology,1986
4. Role of monoamine pathways in attention and effort: effects of clonidine and methylphenidate in normal adult humans;Clark;Psychopharmacology,1986
5. Catecholamines and attention I: animal and clinical studies;Clark;Neurosci. Biobehav. Rev.,1987