RT Journal Article SR Electronic T1 Differences in kinetics of xanomeline binding and selectivity of activation of G proteins at M1 and M2 muscarinic acetylcholine receptors JF Molecular Pharmacology JO Mol Pharmacol FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/mol.106.023762 A1 Jan Jakubik A1 Esam E. El-Fakahany A1 Vladimir Dolezal YR 2006 UL http://molpharm.aspetjournals.org/content/early/2006/05/04/mol.106.023762.abstract AB