%0 Conference Paper %A Furey, Maura L. %A Ricciardi, Emiliano %A Rapoport, Stanley I. %A Schapiro, Mark B. %A Pietrini, Pietro %B 9th Annual Meeting of the Human Brain Mapping Organization %C New York, USA %D 2003 %F eprints:3318 %I Elsevier %T Cholinergic Enhancement during Working Memory Eliminates Regional Cerebral Blood Flow (rCBF) Modulation Associated with Task Difficulty in Prefrontal Cortex %U http://eprints.imtlucca.it/3318/ %Z Proceedings of the 9th Annual Meeting of the Human Brain Mapping Organization