TEKIN, Fatih. Covering the Cover. Turkish Journal of Gastroenterology, [S. l.], v. 27, n. 6, p. 493–494, 2016. DOI: 10.5152/tjg.2016.1600003. Disponível em: https://turkjgastroenterol.org/index.php/tjg/article/view/2977. Acesso em: 1 jan. 2026.