A novel technique in the management of refractory variceal bleeding - Luz, Gustavo Oliveira; Matuguma, Sérgio Eiji; Madruga Neto, Antonio Coutinho; Ribeiro, Igor Braga; Dal Bello, Fernanda; de Moura, Diogo Turiani Hourneaux; de Moura, Eduardo Guimarães Hourneaux (Endoscopy, 2020)