Virus infections and the natural history of chronic obstructive lung disease.
D000293:Adolescent; D000328:Adult; D000906:Antibodies / Q000032:analysis; D001249:Asthma / Q000097:blood; D001991:Bronchitis / Q000097:blood / Q000209:etiology / Q000276:immunology; D002908:Chronic Disease; D003168:Complement Fixation Tests; D005334:Fever / Q000097:blood; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D008297:Male; D008875:Middle Aged; D012140:Respiratory Tract Diseases / Q000097:blood / Q000150:complications*; D014777:Virus Diseases / Q000097:blood / Q000150:complications*
D000906:Antibodies