title: Closing volume and gas exchange in obese patients before and after intestinal bypass operation. (A preliminary report).
mesh_terms: D000293:Adolescent; D000328:Adult; D002245:Carbon Dioxide / Q000097:blood; D005260:Female; D006801:Humans; D008176:Lung Volume Measurements; D008297:Male; D009765:Obesity / Q000503:physiopathology* / Q000601:surgery; D010100:Oxygen / Q000097:blood; D010313:Partial Pressure; D011187:Posture; D012119:Respiration
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen