Effects of 3-day bed rest on physiological responses to graded exercise in athletes and sedentary men - Smorawiski, J.; Nazar, K.; Kaciuba-Uscilko, H.; Kamiska, E.; Cybulski, G.; Kodrzycka, A.; Bicz, B.; Greenleaf, J. E. (Journal of Applied Physiology, 2001)