Discovering L-type calcium channels inhibitors of antihypertensive drugs based on drug repositioning Effect of puerarin on L-type calcium channel in isolated rat ventricular myocytes Effects of Liensinine on Action Potentials and I_(Na), I_(Ca-L) in Guinea Pig Ventricular Myocytes Effects of LbGp on the intracellular free calcium concentration of cardiomyocytes induced by hypoxia and KCl