title: Apneic thresholds in anesthetized subjects with chronic obstructive pulmonary disease.
mesh_terms: D000368:Aged; D000768:Anesthesia, General; D001049:Apnea / Q000209:etiology; D002245:Carbon Dioxide / Q000097:blood*; D002908:Chronic Disease; D006221:Halothane; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D008875:Middle Aged; D010313:Partial Pressure; D012119:Respiration; D012121:Respiration, Artificial; D012129:Respiratory Function Tests
chemical_list: D002245:Carbon Dioxide; D006221:Halothane