[The role of nonessential amino acid in postoperative "protein sparing" treatment].
D000328:Adult; D000368:Aged; D000596:Amino Acids / Q000378:metabolism / Q000627:therapeutic use*; D000601:Amino Acids, Essential / Q000378:metabolism*; D005743:Gastrectomy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010288:Parenteral Nutrition; D011184:Postoperative Period; D014176:Protein Biosynthesis; D013272:Stomach Diseases / Q000378:metabolism / Q000628:therapy
D000596:Amino Acids; D000601:Amino Acids, Essential