Infection and chronic bronchitis. A study carried out in general practice.
D000328:Adult; D000368:Aged; D000906:Antibodies / Q000032:analysis; D001249:Asthma / Q000503:physiopathology; D001991:Bronchitis / Q000209:etiology*; D002908:Chronic Disease; D005194:Family Practice; D005260:Female; D006192:Haemophilus Infections / Q000150:complications* / Q000276:immunology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009093:Mucus / Q000378:metabolism; D012143:Respiratory Physiological Phenomena; D012140:Respiratory Tract Diseases / Q000150:complications; D012737:Sex Factors; D012907:Smoking / Q000150:complications; D013147:Spirometry
D000906:Antibodies