Greve, J Proceedings: The influence of ajmaline and N-alkylated derivatives on functional refractory period and contractility of isolated heart muscle preparations. [electronic resource] - Naunyn-Schmiedeberg's archives of pharmacology 1975 - R31 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0028-1298 Subjects--Topical Terms: Ajmaline--analogs & derivativesAnimalsGuinea PigsHeart Atria--drug effectsMyocardial Contraction--drug effectsPapillary Muscles--drug effectsRefractory Period, Electrophysiological--drug effects