PT - JOURNAL ARTICLE AU - Marco P. Brotto TI - Temporal Effects of Stress by Immobilization and Sensitivity of the Isolated Rat Pacemaker to Isoproterenol: Roles of Corticosterone, Neuronal Uptake and β-Adrenergic Homogeneity AID - 10.1124/jpet.103.052670 DP - 2003 Jun 26 TA - Journal of Pharmacology and Experimental Therapeutics 4099 - http://jpet.aspetjournals.org/content/early/2003/06/26/jpet.103.052670.short 4100 - http://jpet.aspetjournals.org/content/early/2003/06/26/jpet.103.052670.full