Effect of restricted frequency breathing (RFB) on cardiorespiratory and metabolic responses in varsity swimmers - Harrison, M. F.; Roberts, A. D. W.; Sexsmith, J. R.; Oliver, M. L.; Bourque, P. J.; Neary, J. P. (Canadian Journal of Applied Physiology, 2003)
Keywords: swimming; respiration; heart; circulation; metabolism; performance; USA; endurance sports