RT Journal Article SR Electronic T1 Low-Dose Methylphenidate Actions on Tonic and Phasic Locus Coeruleus Discharge JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/jpet.106.110015 A1 David M. Devilbiss A1 Craig W Berridge YR 2006 UL http://jpet.aspetjournals.org/content/early/2006/09/15/jpet.106.110015.abstract AB