1. Bastian L, Weimann A. Immunonutrition in patients after multiple trauma. Br J Nutr. 2002;87(suppl):S133–4.
2. Jiang Z, Jiang H, Fürst P. The impact of glutamine dipeptides on outcome of surgical patients: systematic review of randomized controlled trials from Europe and Asia. Clin Nutr Suppl. 2004;1(1):17–23.
3. Fürst P, Alteheld B, Stehle P. Why should a single nutrient—glutamine—improve outcome? The remarkable story of glutamine dipeptides. Clin Nutr Suppl. 2004;1(1):3–15.
4. Hasenboehler E, Wiliams A, Leinhase I, Morgan SJ, Smith W, Moore EE, Stahel PF. Metabolic changes after polytrauma: an imperative for early nutritional support. World J Emerg Surg. 2006;1(29):1–7.
5. Weitzel LRB, Wischmeyer PE. Glutamine in critical illness: the time has come, the time is now. Crit Care Med. 2010;26(3):515–25.