title: [Central inspiratory drive response to hypercapnia in patients with COPD].
mesh_terms: D000368:Aged; D001784:Blood Gas Analysis; D002245:Carbon Dioxide / Q000378:metabolism*; D005260:Female; D006801:Humans; D006935:Hypercapnia / Q000209:etiology*; D007384:Intermittent Positive-Pressure Breathing; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D012125:Respiratory Center / Q000503:physiopathology; D012131:Respiratory Insufficiency / Q000209:etiology
chemical_list: D002245:Carbon Dioxide