title: Arterial carbon dioxide changes during voluntary hyperventilation in chronic obstructive pulmonary disease.
mesh_terms: D000328:Adult; D000368:Aged; D000886:Anthropometry; D001158:Arteries; D002245:Carbon Dioxide / Q000097:blood*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D006985:Hyperventilation / Q000378:metabolism*; D008173:Lung Diseases, Obstructive / Q000378:metabolism*; D008297:Male; D008875:Middle Aged; D010101:Oxygen Consumption; D012119:Respiration; D014692:Ventilation-Perfusion Ratio; D014797:Vital Capacity
chemical_list: D002245:Carbon Dioxide