title: Human protein requirements. Problems of maintaining nitrogen balance on a low income.
mesh_terms: D000293:Adolescent; D000328:Adult; D000596:Amino Acids / Q000008:administration & dosage; D002648:Child; D002675:Child, Preschool; D004044:Dietary Proteins / Q000008:administration & dosage*; D006801:Humans; D007223:Infant; D009584:Nitrogen / Q000378:metabolism*; D009751:Nutritional Requirements; D011203:Poverty
chemical_list: D000596:Amino Acids; D004044:Dietary Proteins; D009584:Nitrogen