title: Intracellular mucus in the human bronchial tree.
mesh_terms: D001980:Bronchi / Q000737:chemistry*; D003593:Cytoplasm; D006025:Glycosaminoglycans / Q000737:chemistry*; D006801:Humans; D009093:Mucus; D014197:Trees
chemical_list: D006025:Glycosaminoglycans
keywords: BRONCHI/chemistry; MUCOPOLYSACCHARIDES/chemistry