“ Cardiorespiratory Adjustments During the Accentuation of Respiratory Sinus Arrhythmia: Influence from Time of Maneuver on Minute Volume, Fraction of Expired CO 2 , and Heart Rate Variability ”. 2016. Fisioterapia E Pesquisa 23 (1): 68-73. https://doi.org/10.1590/1809-2950/14696023012016.