title: The relationship between the intra- and extracellular sodium activity of sheep heart Purkinje fibres during inhibition of the Na-K pump.
mesh_terms: D000818:Animals; D001693:Biological Transport, Active / Q000187:drug effects; D006329:Heart Conduction System / Q000378:metabolism*; D066298:In Vitro Techniques; D008564:Membrane Potentials / Q000187:drug effects; D008839:Microelectrodes; D009994:Osmolar Concentration; D011188:Potassium / Q000378:metabolism / Q000494:pharmacology; D011690:Purkinje Fibers / Q000187:drug effects / Q000378:metabolism*; D012756:Sheep; D012964:Sodium / Q000378:metabolism*; D013327:Strophanthidin / Q000494:pharmacology
chemical_list: D013327:Strophanthidin; D012964:Sodium; D011188:Potassium