Principles of definition in medicine with special reference to chronic bronchitis and emphysema.
D001991:Bronchitis; D029481:Bronchitis, Chronic; D004646:Emphysema; D006801:Humans; D008511:Medicine; D011656:Pulmonary Emphysema; D009626:Terminology as Topic
BRONCHITIS; EMPHYSEMA; MEDICINE; NOMENCLATURE