Basic notions of heart rate variability and its clinical applicability

Luiz Carlos Marques Vanderlei¹; Carlos Marcelo Pastre¹; Rosângela Akemi Hoshi²; Tatiana Dias de Carvalho²; Moacir Fernandes de Godoy³

DOI: 10.1590/S0102-76382009000200018 Braz J Cardiovasc Surg. 2009;24(2):205-217