Determination of the minimum dietary essential amino acid-to-total nitrogen ratio for beef protein fed to young men.
D000328:Adult; D000596:Amino Acids; D004044:Dietary Proteins; D005504:Food Analysis; D006801:Humans; D008297:Male; D008460:Meat; D009584:Nitrogen / Q000652:urine; D014364:Tryptophan
D000596:Amino Acids; D004044:Dietary Proteins; D014364:Tryptophan; D009584:Nitrogen