title: Cardiorespiratory adaptations at the start of exercise in normal subjects and in patients with chronic obstructive bronchitis.
mesh_terms: D000222:Adaptation, Physiological; D000402:Airway Obstruction / Q000503:physiopathology; D001991:Bronchitis / Q000378:metabolism / Q000503:physiopathology*; D002245:Carbon Dioxide / Q000378:metabolism; D006321:Heart / Q000502:physiology / Q000503:physiopathology*; D006339:Heart Rate; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007773:Lactates / Q000097:blood; D008168:Lung / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D010101:Oxygen Consumption; D005082:Physical Exertion; D012119:Respiration; D013147:Spirometry; D013997:Time Factors; D014692:Ventilation-Perfusion Ratio; D014797:Vital Capacity
chemical_list: D006454:Hemoglobins; D007773:Lactates; D002245:Carbon Dioxide