Xue-wen LI ; Shuan-cheng NIU ; Xuan-ping ZHANG ; Ji-yuan LÜ ; Feng BAI ; Ling ZHANG ; Bo-wei WU
Chinese Medical Journal 2006;119(11):944-947
Animals ; Dose-Response Relationship, Drug ; Guinea Pigs ; Heart Ventricles ; Ion Channels ; antagonists & inhibitors ; physiology ; Male ; Myocytes, Cardiac ; drug effects ; physiology ; Promethazine ; pharmacology ; Terfenadine ; pharmacology ; Time Factors