Over-the-scope clips vs standard endoscopic interventions for first-line treatment of NVUGI bleeding: Meta-analysis of randomized trials - Paulo Ferreira Mega; Vitor Ottoboni Brunaldi; Alexandre Moraes Bestetti; Angelo So Taa Kum; Igor Valdeir de Sousa; Marcos Eduardo Lera dos Santos; Eduardo Guimarães Hourneaux de Moura (Endoscopy International Open)