Power spectrum analysis of heart rate variability to assess the changes in sympathovagal balance during graded orthostatic tilt
Montano, N ; Ruscone, T G ; Porta, A ; Lombardi, F ; Pagani, M ; Malliani, A
Circulation (New York, N.Y.), 1994-10, Vol.90 (4), p.1826-1831 [Periódico revisado por pares]United States: American Heart Association, Inc
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