title: The pathogenesis of lung emphysema. A hypothesis.
mesh_terms: D003238:Connective Tissue / Q000378:metabolism*; D005260:Female; D006025:Glycosaminoglycans / Q000378:metabolism*; D006801:Humans; D008168:Lung / Q000378:metabolism*; D008297:Male; D011506:Proteins / Q000378:metabolism*; D011656:Pulmonary Emphysema / Q000209:etiology / Q000378:metabolism*; D012737:Sex Factors; D014783:Viscosity
chemical_list: D006025:Glycosaminoglycans; D011506:Proteins