title: Effect of intracellular tetraethylammonium ion on action potential in the guinea-pig's myocardium.
mesh_terms: D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D004058:Diffusion; D004305:Dose-Response Relationship, Drug; D006321:Heart / Q000187:drug effects*; D066298:In Vitro Techniques; D008564:Membrane Potentials / Q000187:drug effects; D008839:Microelectrodes; D010210:Papillary Muscles / Q000187:drug effects; D013757:Tetraethylammonium Compounds / Q000494:pharmacology*
chemical_list: D013757:Tetraethylammonium Compounds