Polyethylene glycol combined with lactulose has better efficacy than polyethylene glycol alone in bowel preparation before colonoscopy: A meta-analysis Xiaofen Zhang; Yishu Chen; Ye Chen; Wei Zhu; Chenxi Tang; Shelby Lamm; Lan Li;

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Implementation of a preoperative fasting abbreviation protocol in a tertiary pediatric center Adriana S. Gandolfo; Priscilla F.N. Cardoso; Izabel M. Buscatti; Manoel Carlos P. Velhote; Maria Aparecida C. Bonfim; Alberto C. Helito;