Effects of preoperative drainage on postoperative complications in patients with periampullary tumors . Annals of Medical Research, [S. l.], v. 26, n. 7, p. 1301–1308, 2021. Disponível em: http://annalsmedres.org/index.php/aomr/article/view/1277. Acesso em: 27 apr. 2025.