title: Measurement of urinary urea for estimating nitrogen balance.
authors: F E
authors: FE
authors: Wells
mesh_terms: D000641:Ammonia / Q000652:urine; D006801:Humans; D009584:Nitrogen / Q000378:metabolism*; D010289:Parenteral Nutrition, Total; D014508:Urea / Q000652:urine*
chemical_list: D000641:Ammonia; D014508:Urea; D009584:Nitrogen