YIN, Wang; WEN-JIE, Du. Painless Endoscopic Repair of Duodenal Ulcer Perforation: A Case Report. Asian Pacific Journal of Cancer Care, [S. l.], v. 8, n. 1, p. 231–233, 2023. DOI: 10.31557/apjcc.2023.8.1.231-233. Disponível em: http://www.waocp.com/journal/index.php/apjcc/article/view/1027. Acesso em: 29 may. 2026.