title: Pulmonary fibrosis and emphysema: connective tissue disorders of the lung.
mesh_terms: D000818:Animals; D003094:Collagen / Q000378:metabolism; D003238:Connective Tissue / Q000473:pathology; D003240:Connective Tissue Diseases / Q000473:pathology*; D004549:Elastin / Q000378:metabolism; D006801:Humans; D008168:Lung / Q000473:pathology; D011656:Pulmonary Emphysema / Q000473:pathology*; D011658:Pulmonary Fibrosis / Q000473:pathology*; D012907:Smoking
chemical_list: D003094:Collagen; D004549:Elastin