title: [Supernormal phases of the heart excitability cycle. Clinico-experimental studies in 20 subjects with heart pacemaker subjected to subthreshold electric stimulation].
mesh_terms: D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial
vernacular_title: La fase supernormale del cicio di eccitabilità cardiaca. Osservazioni clinico-sperimentali in 20 soggetti portatori di pacemaker cardiaco sottoposti a stemolazioni elettriche subliminali.