title: [Analysis of the blood acid-base and gas in 55 cases of elderly persons over 90 years of age].
mesh_terms: D000136:Acid-Base Equilibrium; D000137:Acid-Base Imbalance / Q000097:blood; D000368:Aged; D000369:Aged, 80 and over; D001784:Blood Gas Analysis; D005260:Female; D006801:Humans; D008168:Lung / Q000502:physiology*; D008297:Male; D010100:Oxygen / Q000097:blood*; D010313:Partial Pressure
chemical_list: D010100:Oxygen