RT Journal Article SR Electronic T1 Extrasynaptic location of alpha-2 and noninnervated beta-2 adrenoceptors in the vascular system of the pithed normotensive rat. JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 762 OP 768 VO 221 IS 3 A1 B Wilffert A1 P B Timmermans A1 P A van Zwieten YR 1982 UL http://jpet.aspetjournals.org/content/221/3/762.abstract AB