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Kondrup, Jens; Rasmussen, Henrik Højgaard; Hamberg, Ole; Stanga, Zeno (2003). Nutritional risk screening (NRS 2002): a new method based on an analysis of controlled clinical trials. Clinical nutrition, 22(3), pp. 321-36. Amsterdam: Elsevier 10.1016/S0261-5614(02)00214-5
