[Pre- and postoperative care for the aged over 70 year].
D000368:Aged; D000450:Aldosterone / Q000627:therapeutic use; D000596:Amino Acids / Q000627:therapeutic use; D006801:Humans; D011182:Postoperative Care; D011300:Preoperative Care; D014882:Water-Electrolyte Balance
D000596:Amino Acids; D000450:Aldosterone