KOÇDOR, Hilal, et al. “Serum Tumor Necrosis Factor-α, Glutamate and Lactate Changes in Two Different Stages of Mechanical Intestinal Obstruction”. Turkish Journal of Gastroenterology, vol. 14, no. 2, Jan. 2003, pp. 115-9, https://www.turkjgastroenterol.org/index.php/tjg/article/view/1251.