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Open-Access Journal
Opinion Review
Paulo Assumpção, Benedito Rossi, João Felipe Acioli, Williams Barra, Sidney Santos, Geraldo Ishak, André Khayat, Taíssa Araújo, Paula Assumpção 
World J Gastroenterol 26(13):1382-1393. Published online Apr 7, 2020. doi: 10.3748/wjg.v26.i13.1382
Review
Minireviews
Basic Study
Clinical and Translational Research
Case Control Study
Retrospective Study
Observational Study
Estephany Abou Jokh Casas, Virginia Pubul Núñez, Urbano Anido-Herranz, María del Carmen Mallón Araujo, Maria del Carmen Pombo Pasín, Miguel Garrido Pumar, José Manuel Cabezas Agrícola, José Manuel Cameselle-Teijeiro, Ashraf Hilal, Álvaro Ruibal Morell 
World J Gastroenterol 26(13):1513-1524. Published online Apr 7, 2020. doi: 10.3748/wjg.v26.i13.1513
Case Report