[The phase of supernormal excitation in relation to the strength of subthreshold stimuli (author's transl)].
D000293:Adolescent; D000328:Adult; D002648:Child; D004558:Electric Stimulation; D004594:Electrophysiology; D005260:Female; D006321:Heart / Q000502:physiology*; D006801:Humans; D008297:Male