title: Age-dependent immunophysiologic correlates of chronic respiratory disease.
mesh_terms: D000293:Adolescent; D000328:Adult; D000375:Aging; D001769:Blood; D001991:Bronchitis / Q000276:immunology; D002245:Carbon Dioxide / Q000097:blood; D002908:Chronic Disease; D005260:Female; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D008171:Lung Diseases / Q000276:immunology* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000097:blood; D011014:Pneumonia / Q000276:immunology; D011656:Pulmonary Emphysema / Q000276:immunology; D012129:Respiratory Function Tests; D012852:Sinusitis / Q000276:immunology / Q000503:physiopathology
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D002245:Carbon Dioxide; D010100:Oxygen