Heart Rate Variability on 7-Day Holter Monitoring Using a Bootstrap Rhythmometric Procedure. - Rebeca Goya-Esteban; Inmaculada Mora-Jiménez; José Luis Rojo-Álvarez; Óscar Barquero-Pérez; Francisco J. Pastor-Pérez; Sergio Manzano-Fernández; Domingo A. Pascual-Figal; Arcadi García-Alberola (IEEE Trans. Biomed. Eng., 2010)