title: [Studies on acid mucopolysaccharides of the sputum in chronic obstructive lung diseases].
mesh_terms: D002908:Chronic Disease; D004586:Electrophoresis; D006025:Glycosaminoglycans / Q000302:isolation & purification*; D006801:Humans; D006820:Hyaluronic Acid / Q000302:isolation & purification; D008173:Lung Diseases, Obstructive / Q000378:metabolism*; D013183:Sputum / Q000032:analysis*; D014783:Viscosity
chemical_list: D006025:Glycosaminoglycans; D006820:Hyaluronic Acid