ÖNAL, İbrahim Koral et al. The value of fecal calprotectin as a marker of intestinal inflammation in patients with ulcerative colitis. Turkish Journal of Gastroenterology, [S. l.], v. 23, n. 5, p. 509–514, 2012. DOI: 10.4318/tjg.2012.0421. Disponível em: https://turkjgastroenterol.org/index.php/tjg/article/view/2121. Acesso em: 1 jan. 2026.