AVES EDITORIAL OFFICE. Unusual retrograde movement of an open safety pin: The second case in the literature. Turkish Journal of Gastroenterology, [S. l.], v. 22, n. 4, p. 447–448, 2019. Disponível em: https://tjg.avesjournals.com/index.php/tjg/article/view/2520. Acesso em: 5 jul. 2025.