PT - JOURNAL ARTICLE AU - Huanchen Wang AU - Mengchun Ye AU - Howard Robinson AU - Sharron H Francis AU - Hengming Ke TI - Conformational variations of both PDE5 and inhibitors provide the structural basis for the physiological effects of vardenafil and sildenafil AID - 10.1124/mol.107.040212 DP - 2007 Oct 24 TA - Molecular Pharmacology 4099 - http://molpharm.aspetjournals.org/content/early/2007/10/24/mol.107.040212.short 4100 - http://molpharm.aspetjournals.org/content/early/2007/10/24/mol.107.040212.full