1. Adams, R., Schwartz, A., Grupp, G., Grupp, J., Lee, S., Wollick, E., Powell, T., Twist, V., and Gathiram Y.: High affinity ouabain binding site and low dose positive inotropic effect in rat myocardium. Nature 296: 167–169 (1982).
2. Akera, T. and Brody, T.Mt: The Role of Na+, K+ ATPase in the Inotropic Action of Digitalis. Pharmacol. Rev. 29: 187–220 (1978).
3. Allen, D.G., Blinks, J.R.: Calcium transients in aequorin-injected frog cardiac muscle. Nature 273: 509–513 (1978).
4. Bonke, F.: Pathomechanismen kardialer Arrhythmien. In: Ventrikiläre Herzrhythmusstörungen, edit.: B. Lüderitz, pp. 28–37. Berlin, Heidelberg, New York, Springer 1981.
5. Cohen, I., Daut, J., Noble, D.: The influence of extracellular potassim ions on the action of ouabain on membrane currents in sheep purkinje fibers. J. Physiol. 251: 42–43 (1976).