[On preoperative and postoperative nitrogen balance for control of protein metabolism].
D000596:Amino Acids; D006801:Humans; D009584:Nitrogen; D011184:Postoperative Period; D011506:Proteins / Q000378:metabolism*
D000596:Amino Acids; D011506:Proteins; D009584:Nitrogen
AMINO ACIDS; NITROGEN; PROTEIN METABOLISM