Laviolette, Louis Significance of the endurance time to constant work rate cycling exercise. [electronic resource] - COPD Dec 2010 - 443-4; author reply 445-6 p. digital Publication Type: Comment; Letter ISSN: 1541-2563 Standard No.: 10.3109/15412555.2010.527745 doi Subjects--Topical Terms: Exercise Test--methodsExercise Tolerance--physiologyHumansPhysical Endurance--physiologyPhysical Fitness--physiologyPulmonary Disease, Chronic Obstructive--diagnosisSex Factors