1. Cha L, et al. Antiarrhythmic action of tetrandrine and the total alkaloids of Sophora flavescens. Acta Pharmacol Sinica 1981; 2(1):26–8.
2. Fang DC, et al. Effects of tetrandrine on cat papillary muscle. Acta Pharmacol Sinica 1981; 2(3): 163–6.
3. Jin MW, et al. Influence of tetrandrine on positive inotropic action of isoproterenol and CaCl2 and on excitation-contraction coupling in isolated cat papillary muscles. Acta Pharmacol Sinica 1982; 3(2):97–101.
4. Fleckenstein A, et al. Eine neue Gruppe kompetitiver Ca++-Antagonisten (Iproveratril, D 600, Prenylamin) mit starken Hemmeffekten auf die elektromechanische Koppelung im Warmblüter-Myokard. Pflügers Arch 1969; 307(4):R25.
5. Tritthart H, et al. Calcium-mediated action potentials in mammalian myocardium. Naunyn-Schmiedebergs Arch Pharmacol 1973; 280(3):239–52.