Exercise and the breathless bronchitic.
D001991:Bronchitis / Q000503:physiopathology*; D002908:Chronic Disease; D006801:Humans; D009132:Muscles / Q000503:physiopathology; D005082:Physical Exertion; D012129:Respiratory Function Tests / Q000295:instrumentation; D013909:Thorax / Q000503:physiopathology