| Table of contents Rev. gastroenterol. Perú vol.41 no.3 Lima July/Sept 2021 Original articles | | | | · Irritable bowel syndrome prevalence in Latin America Pontet, Yessica; Olano, Carolina
| | | | · Comparative prevalence of adenomatous polyps in people aged 45 to 49 years and in people over 50 years of age in a Colombian population: a case-control study Cano, Diego; Otero, William; Gómez, Martín; Marulanda, Hernando
| | | | · Efficacy and safety of lyophilized concentrate purple corn (Zea mays L.) in preventing the formation of colonic polyps Ichiyanagui R, Carlos; Soriano A, César; Frisancho V, Oscar
| | | | · Prevalence of viral hepatitis type C in blood donors in Peru 2016 - 2017 Bellido, Alvaro; Argumanis, Enrique; Segura, Patricia; Tagle, Martin
| | | | · Association between the type of major duodenal papilla and difficult biliary cannulation in a private tertiary center Gutierrez-De Aranguren, Constantino; Parra-Perez, Victor; Soto, Alonso; Ruesta Córdova, Arturo Fernando; Veramendi-Schult, Isabel; Hung Quiero, Margarita Paula; Alba Rodríguez, María Esther
| | | | · Effectiveness of simulation in endoscopic retrograde cholangiopancreatography (ERCP) for successful bile duct cannulation: systematic review and meta-analysis Arrieta G., Manuel; Domínguez, Luis Carlos; Vega, Neil Valentin
| | | Case report | | | | · Endoscopic removal of a toothbrush in a young adult with psychiatric disorder Alvizuri-Gómez, Claudia; Espinoza-Ríos, Jorge
| | | | · Hepatic cystic metastases: case report Vargas-Alayza, César; Castro Villalobos, César
| | | Special Article | | | | · Clinical practice guidelines for diagnosis and management of Helicobacter pylori infection in gastroduodenal diseases of the Peruvian Health Social Security (EsSalud) Otoya-Moreno, Guillermo; Becerra-Chauca, Naysha; Benites-Goñi, Harold; García-Delgado, César; Ruiz-Gárate, Eduardo; Vásquez-Velarde, Nelly; García-Gomero, David; Chávez-Rimache, Lesly; Delgado-Flores, Carolina; Salvador-Salvador, Stefany; Jumpa-Armas, David; Montes-Alvis, José; Sánchez, Vladimir Ernesto Santos
| | | In memorian | | | | · Dr. Oscar Frisancho Velarde Ichiyanagui R., Carlos
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