title: Respiratory tract fluid--chemical and physical properties of airway mucus.
mesh_terms: D001834:Body Water / Q000378:metabolism; D001980:Bronchi / Q000378:metabolism; D002498:Centrifugation; D005122:Exudates and Transudates / Q000378:metabolism; D006023:Glycoproteins / Q000032:analysis / Q000378:metabolism; D006801:Humans; D050356:Lipid Metabolism; D009093:Mucus / Q000032:analysis / Q000378:metabolism*; D012120:Respiration Disorders / Q000378:metabolism; D012137:Respiratory System / Q000378:metabolism*; D013183:Sputum / Q000032:analysis
chemical_list: D006023:Glycoproteins