RT Journal Article SR Electronic T1 ZM241385, DPCPX and MRS1706 are inverse agonists with different relative intrinsic efficacies on constitutively active mutants of the human adenosine A2B receptor JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/jpet.106.111203 A1 Qilan Li A1 Kai Ye A1 Clara C. Blad A1 Hans den Dulk A1 Jaap Brouwer A1 Ad P. IJzerman A1 Margot W. Beukers YR 2006 UL http://jpet.aspetjournals.org/content/early/2006/10/31/jpet.106.111203.abstract AB