Bulica, M Frequency domain methods for measurement of heart rate variability. [electronic resource] - Studies in health technology and informatics 1999 - 359-64 p. digital Publication Type: Journal Article ISSN: 0926-9630 Subjects--Topical Terms: Autonomic Nervous System--physiopathologyDiagnosis, Computer-AssistedElectrocardiographyFourier AnalysisHeart Rate--physiologyHumansMyocardial Infarction--diagnosisSignal Processing, Computer-AssistedSinoatrial Node--physiopathologySoftware