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KAYAALP, Cüneyt; YILMAZ, Sezai; MUTLU, Bora. MARGINAL ULCER PERFORATIONS. Turkish Journal of Gastroenterology, [S. l.], v. 4, n. 3, p. 558–560, 1993. Disponível em: https://www.turkjgastroenterol.org/index.php/tjg/article/view/302. Acesso em: 1 jan. 2026.