title: The anaerobic threshold in severe chronic obstructive lung disease.
mesh_terms: D000368:Aged; D001784:Blood Gas Analysis; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D008875:Middle Aged; D010100:Oxygen; D005082:Physical Exertion; D012119:Respiration; D012129:Respiratory Function Tests; D013318:Stroke Volume
chemical_list: D010100:Oxygen