title: [The effect of Na+, K+ and Ca2+ ions on the duration of the duration of the preautomatic pause of the heart].
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001001:Anura; D002118:Calcium / Q000494:pharmacology*; D004285:Dogs; D004558:Electric Stimulation; D006329:Heart Conduction System / Q000187:drug effects*; D011188:Potassium / Q000494:pharmacology*; D011690:Purkinje Fibers / Q000187:drug effects*; D011817:Rabbits; D012964:Sodium / Q000494:pharmacology*; D013997:Time Factors
chemical_list: D012964:Sodium; D011188:Potassium; D002118:Calcium
vernacular_title: Deĭstvie ionov Na+, K+ i Ca2+ na prodolzhitel'nost' preavtomaticheskoĭ pauzy serdtsa