title: Acid--base in review. (Part 1 of 3 parts).
mesh_terms: D000136:Acid-Base Equilibrium; D000137:Acid-Base Imbalance / Q000503:physiopathology; D002021:Buffers; D006801:Humans; D007668:Kidney / Q000502:physiology; D008168:Lung / Q000502:physiology; D008433:Mathematics
chemical_list: D002021:Buffers