D. S. . Putra, F. . Oenzil, E. . Darwin, and H. . Bachtiar, “The Effect of Glutamine Supplementation to Fecal Calprotectin and Tumor Necrosis Factor-α Levels in the Fecal of Rats with Acute-Induced Diarrhea”, Open Access Maced J Med Sci, vol. 8, no. A, pp. 512–516, Jun. 2020.