Physical fitness and cardiovascular regulation: Mechanisms of orthostatic intolerance

B. D. Levine^*, J. C. Buckey, J. M. Fritsch, C. W. Yancy, D. E. Watenpaugh, P. G. Snell, L. D. Lane, D. L. Eckberg, C. G. Blomqvist

^*Corresponding author for this work