[Malnutrition--the underestimated risk].
D000369:Aged, 80 and over; D002648:Child; D006801:Humans; D007902:Length of Stay / Q000706:statistics & numerical data; D009730:Nursing Assessment; D015596:Nutrition Assessment; D011502:Protein-Energy Malnutrition / Q000401:mortality / Q000451:nursing*; D012307:Risk Factors; D015996:Survival Rate