Responses of the geometric indices of heart rate variability to the active orthostatic test in women

by Luiz Carlos de Abreu, Adriano L. Roque, Bianca C.R. de Castro, Ana C. Amorim de Souza, Luiz Carlos M. Vanderlei, Lucas L. Ferreira, Rodrigo D. Raimundo, Fernando L.A. Fonseca, Vitor E. Valenti, José R. Cisternas