RT Journal Article SR Electronic T1 Cyclic nucleotides and contraction/relaxation in airway muscle: H1 and H2 agonists and antagonists. JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 434 OP 442 VO 215 IS 2 A1 Duncan, P G A1 Brink, C A1 Adolphson, R L A1 Douglas, J S YR 1980 UL http://jpet.aspetjournals.org/content/215/2/434.abstract AB