title: Problems with nitrogen balance.
mesh_terms: D000293:Adolescent; D004044:Dietary Proteins; D006801:Humans; D007223:Infant; D008297:Male; D009584:Nitrogen / Q000378:metabolism*; D010940:Plant Proteins / Q000378:metabolism
chemical_list: D004044:Dietary Proteins; D010940:Plant Proteins; D009584:Nitrogen