title: Anaerobic threshold in chronic obstructive pulmonary disease.
mesh_terms: D000368:Aged; D000693:Anaerobiosis; D004734:Energy Metabolism; D005080:Exercise Test; D006801:Humans; D007773:Lactates / Q000097:blood*; D019344:Lactic Acid; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D008875:Middle Aged; D011659:Pulmonary Gas Exchange
chemical_list: D007773:Lactates; D019344:Lactic Acid