RT Journal Article SR Electronic T1 Heterogeneity of postsynaptic Alpha adrenergic receptors in mammalian aortas. JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 309 OP 314 VO 221 IS 2 A1 Ruffolo, R R A1 Waddell, J E A1 Yaden, E L YR 1982 UL http://jpet.aspetjournals.org/content/221/2/309.abstract AB