RT Journal Article SR Electronic T1 Estimation of Relative Microscopic Affinity Constants of Agonists for the Active State of the Receptor in Functional Studies on M2 and M3 Muscarinic Receptors JF Molecular Pharmacology JO Mol Pharmacol FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/mol.108.051276 A1 John A. Tran A1 Alexander Chang A1 Minoru Matsui A1 Frederick J. Ehlert YR 2008 UL http://molpharm.aspetjournals.org/content/early/2008/11/07/mol.108.051276.abstract AB