title: Circulatory and ventilatory adaptations at the start of exercise in normal subjects and patients with chronic obstructive bronchitis.
mesh_terms: D001991:Bronchitis / Q000503:physiopathology*; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion; D012119:Respiration