RT Journal Article SR Electronic T1 Selective inhibition of acetylcholine-evoked responses of α7 neuronal nicotinic acetylcholine receptors by novel tris- and tetrakis-azaaromatic quaternary ammonium antagonists JF Molecular Pharmacology JO Mol Pharmacol FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/mol.109.056176 A1 Gretchen Y Lopez-Hernandez A1 Jeffrey S Thinschmidt A1 Guangrong Zheng A1 Zhenfa Zhang A1 Peter A Crooks A1 Linda P. Dwoskin A1 Roger L Papke YR 2009 UL http://molpharm.aspetjournals.org/content/early/2008/12/31/mol.109.056176.abstract AB