Cardiorespiratory responses to physical work during and following 17 days of bed rest and spaceflight.
Trappe T, Trappe S, Lee G, Widrick J, Fitts R, Costill D. Cardiorespiratory responses to physical work during and following 17 days of bed rest and spaceflight. J Appl Physiol (1985). 2006 Mar; 100(3):951-7.