1. 2) Li J, Kudsk KA, Gocinski B et al.: Effects of parenteral and enteral nutrition on gut‐associated lymphoid tissue. J Trauma 39: 44‐51; discussion 51‐52, 1995
2. 3) Kudsk KA, Li J, Renegar KB: Loss of upper respiratory tract immunity with parenteral feeding. Ann Surg 223: 629‐635, 1996
3. 4) Moriya T, Fukatsu K, Ikezawa F et al.: Dietary Restriction Affects Peyer's Patch Lymphocyte Numbers and Intestinal Immunoglobulin A Levels. Clinical Nutirition Week ENTERAL NUTRITION POSTERS. Numbers 43, 2014
4. 5) Singer P, Berger MM, Van den Berghe G et al.: ESPEN guidelines on parenteral nutrition : Intensive care. Clin Nutr 28: 387–400, 2009
5. 6) Noblett SE, Watson DS, Huong H et al.: Preoperative oral carbohydrate loading in colorectal surgery : a randomized controlled trial. Colorectal Dis 8: 563‐569, 2006