title: Anion gap in the elderly.
mesh_terms: D000367:Age Factors; D000368:Aged; D000838:Anions; D002245:Carbon Dioxide / Q000097:blood; D002713:Chlorine / Q000097:blood; D005260:Female; D006801:Humans; D008297:Male; D011188:Potassium / Q000097:blood; D012964:Sodium / Q000097:blood; D014883:Water-Electrolyte Imbalance / Q000097:blood
chemical_list: D000838:Anions; D002245:Carbon Dioxide; D002713:Chlorine; D012964:Sodium; D011188:Potassium