title: Distribution of plasma cells and other cells containing immunoglobulin in the respiratory tract in chronic bronchitis.
mesh_terms: D000368:Aged; D001980:Bronchi / Q000378:metabolism; D001991:Bronchitis / Q000276:immunology*; D002452:Cell Count; D002908:Chronic Disease; D005260:Female; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis*; D007071:Immunoglobulin A, Secretory / Q000032:analysis*; D008168:Lung / Q000473:pathology; D008297:Male; D008875:Middle Aged; D010950:Plasma Cells / Q000276:immunology* / Q000473:pathology; D012907:Smoking; D013183:Sputum / Q000032:analysis; D014132:Trachea / Q000473:pathology
chemical_list: D007070:Immunoglobulin A; D007071:Immunoglobulin A, Secretory