A CONSIDERATION OF THE ETIOLOGY OF OBSTRUCTIVE EMPHYSEMA, WITH ESPECIAL EMPHASIS ON THE ROLE OF ALLERGY.
D001249:Asthma; D001991:Bronchitis; D004646:Emphysema; D006801:Humans; D006967:Hypersensitivity; D011656:Pulmonary Emphysema; D006255:Rhinitis, Allergic, Seasonal; D012907:Smoking; D013183:Sputum
ASTHMA; BRONCHITIS; HAY FEVER; PULMONARY EMPHYSEMA; SMOKING; SPUTUM