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Open-Access Journal
Basic Study
Case Control Study
Caroline de Matos Lourenço, Manoela Dias Susi, Mariah Cristina Antunes do Nascimento, Vilson Serafim Junior, Ana Paula Simedan Vila, Gabriela Helena Rodrigues-Flemming, Eny Maria Goloni-Bertollo, Ana Elizabete Silva, Juliana Garcia de Oliveira-Cucolo 
World J Gastrointest Oncol 12(5):535-548. Published online May 15, 2020. doi: 10.4251/wjgo.v12.i5.535
Retrospective Cohort Study
Retrospective Study
Observational Study
Milica Stojkovic Lalosevic, Tamara Milovanovic, Marjan Micev, Mirjana Stojkovic, Sanja Dragasevic, Milos Stulic, Ivan Rankovic, Vladimir Dugalic, Zoran Krivokapic, Aleksandra Pavlovic Markovic 
World J Gastrointest Oncol 12(5):592-600. Published online May 15, 2020. doi: 10.4251/wjgo.v12.i5.592
Letter To The Editor