title: Sputum viscosity: correlation with chemical and clinical features in chronic bronchitis.
mesh_terms: D000368:Aged; D000397:Air Pollution; D000402:Airway Obstruction / Q000150:complications; D000914:Antibodies, Viral / Q000032:analysis; D001991:Bronchitis / Q000150:complications / Q000276:immunology / Q000503:physiopathology*; D005643:Fucose / Q000032:analysis; D006801:Humans; D008297:Male; D008875:Middle Aged; D009438:Neuraminic Acids / Q000032:analysis; D012621:Seasons; D013147:Spirometry; D013183:Sputum / Q000032:analysis / Q000502:physiology*; D013458:Sulfur Dioxide; D014783:Viscosity; D014797:Vital Capacity
chemical_list: D000914:Antibodies, Viral; D009438:Neuraminic Acids; D013458:Sulfur Dioxide; D005643:Fucose