title: [Analysis of the equations of excitable membranes. IV. Use of the null-isocline method for analysis of Purkinje fiber membranes (anode and cathode stimulation, extrasystoles)].
mesh_terms: D000200:Action Potentials; D005117:Cardiac Complexes, Premature / Q000209:etiology; D002462:Cell Membrane / Q000502:physiology; D004558:Electric Stimulation; D006329:Heart Conduction System / Q000502:physiology*; D008433:Mathematics; D008954:Models, Biological; D011690:Purkinje Fibers / Q000502:physiology*
vernacular_title: Analiz uravneniĭ vozbudimykh membran. IV. Primenenie metoda nul'-izoklin dlia analiza membrany volokna Purkin'e (anodnoe i katodnoe razdrazhenie, ékstrasistoly)