title: Smoking, age and the arterial-end-tidal PCO2 difference during anaesthesia and controlled ventilation.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D000758:Anesthesia; D002245:Carbon Dioxide / Q000097:blood*; D006801:Humans; D007385:Intermittent Positive-Pressure Ventilation; D008875:Middle Aged; D010313:Partial Pressure; D011175:Positive-Pressure Respiration; D012907:Smoking
chemical_list: D002245:Carbon Dioxide