title: Exercise limiting factors in patients with chronic obstructive lung disease.
mesh_terms: D006439:Hemodynamics; D006801:Humans; D008168:Lung / Q000503:physiopathology; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D008176:Lung Volume Measurements; D008875:Middle Aged; D010100:Oxygen / Q000097:blood; D005082:Physical Exertion
chemical_list: D010100:Oxygen