1. 1. Sungurtekin H, Sungurtekin U, Okke D. Nutrition assessment in critically ill patients. Nutr Clin Pract 2008;23:635-41.
2. 2. Feldblum I, German L, Castel H, Harman-Boehm I, Bilenko N, Eisinger M, et al. Characteristics of undernourished older medical patients and the identification of predictors for undernutrition status. Nutr J 2007;6:37.
3. 3. Durán Alert P, Milà Villarroel R, Formiga F, Virgili Casas N, Vilarasau Farré C. Assessing risk screening methods of malnutrition in geriatric patients: Mini Nutritional Assessment (MNA) versus Geriatric Nutritional Risk Index (GNRI). Nutr Hosp 2012;27:590-8.
4. 4. Tripathy S, Mishra JC, Dash SC. Critically ill elderly patients in a developing world - Mortality and functional outcome at 1 year: A prospective single-center study. J Crit Care 2014;29:474.e7-13.
5. 5. Detsky AS, McLaughlin JR, Baker JP, Johnston N, Whittaker S, Mendelson RA, et al. What is subjective global assessment of nutritional status? 1987. Classical article. Nutr Hosp 2008;23:400-7.