RT Journal Article SR Electronic T1 Antagonist dissociation constants and relative agonist efficacies for compounds interacting with beta-1 and beta-2 adrenergic receptors in the rat jugular vein. JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 325 OP 331 VO 215 IS 2 A1 M L Cohen A1 R R Ruffolo, Jr A1 K S Wiley YR 1980 UL http://jpet.aspetjournals.org/content/215/2/325.abstract AB