van den Borst, Bram Loss of quadriceps muscle oxidative phenotype and decreased endurance in patients with mild-to-moderate COPD. [electronic resource] - Journal of applied physiology (Bethesda, Md. : 1985) May 2013 - 1319-28 p. digital Publication Type: Journal Article ISSN: 1522-1601 Standard No.: 10.1152/japplphysiol.00508.2012 doi Subjects--Topical Terms: AgedCase-Control StudiesFemaleForced Expiratory VolumeHumansMaleMiddle AgedMotor ActivityMuscle StrengthOxidative StressPeroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alphaPhysical EndurancePulmonary Disease, Chronic Obstructive--geneticsQuadriceps Muscle--pathologyRNA, Messenger--geneticsTranscription Factors--genetics