Effects of several levels of dietary protein and amino acids on nitrogen balance of preadolescent girls.
D000596:Amino Acids / Q000494:pharmacology*; D001322:Autoanalysis; D002648:Child; D004044:Dietary Proteins; D005260:Female; D006801:Humans; D009584:Nitrogen / Q000378:metabolism*
D000596:Amino Acids; D004044:Dietary Proteins; D009584:Nitrogen