Peter G Snell

Maximal oxygen uptake as a parametric measure of cardiorespiratory capacity.

Benjamin D Levine, James Stray-Gundersen, Peter B Raven, 2007, Medicine and science in sports and exercise.

Effect of rowing ergometry and oral volume loading on cardiovascular structure and function during bed rest.

Qi Fu, Shigeki Shibata, Benjamin D Levine, 2012, Journal of applied physiology.