[Changes of blood lactic acid contents during exercises in patients with chronic obstructive lung diseases--with special reference to the anaerobic threshold].
D005260:Female; D006801:Humans; D007773:Lactates / Q000097:blood*; D019344:Lactic Acid; D008173:Lung Diseases, Obstructive / Q000097:blood*; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion
D007773:Lactates; D019344:Lactic Acid