title: Arterial oxygenation.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001158:Arteries; D002245:Carbon Dioxide / Q000378:metabolism; D006801:Humans; D000860:Hypoxia; D008875:Middle Aged; D010100:Oxygen / Q000097:blood*; D010313:Partial Pressure
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen