Terminology and classification of 'bronchial asthma' and 'chronic bronchitis': a reappraisal and redefinition.
D001249:Asthma / Q000145:classification*; D001991:Bronchitis / Q000145:classification*; D002908:Chronic Disease; D011656:Pulmonary Emphysema / Q000145:classification; D009626:Terminology as Topic