Effects of training at mild exercise intensities on quadriceps muscle energy metabolism in patients with chronic obstructive pulmonary disease. - Guzun, R.; Aguilaniu, B.; Wuyam, B.; Mezin, P.; Koechlin-Ramonatxo, C.; Auffray, C.; Saks, V.; Pison, C. (Acta Physiologica, 2012)