title: Dermal connective tissue in patients with chronic obstructive airways disease.
mesh_terms: D001835:Body Weight; D001991:Bronchitis; D003094:Collagen; D003238:Connective Tissue / Q000473:pathology; D004646:Emphysema; D006801:Humans; D008297:Male; D008875:Middle Aged; D012140:Respiratory Tract Diseases; D012868:Skin Abnormalities; D013194:Staining and Labeling
chemical_list: D003094:Collagen