Huse, D M Letter: Urinary nitrogen excretion as objective measure of dietary intake. [electronic resource] - The American journal of clinical nutrition Aug 1974 - 771-3 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0002-9165 Standard No.: 10.1093/ajcn/27.8.771 doi Subjects--Topical Terms: AdultAge FactorsAgedChildDietDietary ServicesEvaluation Studies as TopicFemaleHumansMaleMiddle AgedNitrogen--metabolismNutritional Physiological PhenomenaTime Factors