Arrieta G., Manuel, Luis Carlos Dominguez, and Neil Valentin Vega. 2021. “ffectiveness of imulation in ndoscopic etrograde holangiopancreatography (ERCP) for uccessful ile uct annulation: stematic eview and eta-nalysis”. evista e Gastroenterología el erú 41 (3):176-83. https://doi.org/10.47892/rgp.2021.413.1250.