title: Ventilatory limitation of exercise in patients with chronic bronchitis and/or emphysema.
mesh_terms: D001794:Blood Pressure; D001991:Bronchitis / Q000503:physiopathology*; D002245:Carbon Dioxide; D004562:Electrocardiography; D005540:Forced Expiratory Flow Rates; D005541:Forced Expiratory Volume; D006339:Heart Rate; D006801:Humans; D008176:Lung Volume Measurements; D008451:Maximal Voluntary Ventilation; D010100:Oxygen; D005082:Physical Exertion; D011656:Pulmonary Emphysema / Q000503:physiopathology*; D012119:Respiration
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen