title: [Influence of the frequency of contraction on the action potential of the guinea pig papillary muscle].
mesh_terms: D000200:Action Potentials; D000818:Animals; D001696:Biomechanical Phenomena; D002118:Calcium / Q000378:metabolism; D005110:Extracellular Space; D006168:Guinea Pigs; D006339:Heart Rate; D066298:In Vitro Techniques; D009119:Muscle Contraction; D010210:Papillary Muscles / Q000502:physiology*; D011188:Potassium / Q000378:metabolism; D013997:Time Factors
chemical_list: D011188:Potassium; D002118:Calcium
vernacular_title: Der Einfluss der Kontraktionsfrequenz auf das Aktionspotential des Meerschweinchem-Papillarmuskels.