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Open-Access Journal
Review
Minireviews
Basic Study
Case Control Study
Retrospective Cohort Study
Flora Maria Lorenzo Fortes, Ney Boa Sorte, Victor D Mariano, Laíla D Andrade, Fernanda A Oliveira, Monique CA Santos, Cláudia Ivanilda N dos Santos, Catharina A Passos, Mila P Pacheco, Valdiana C Surlo, Neogélia P de Almeida, Jaciane AM Fontes, Andréa M Pimentel, Raquel Rocha, Genoile Oliveira Santana 
World J Gastroenterol 26(44):6993-7004. Published online Nov 28, 2020. doi: 10.3748/wjg.v26.i44.6993
Retrospective Study
Observational Study
Prospective Study
Chong-Fei Huang, Jun-Jun Huang, Ning-Ning Mi, Yan-Yan Lin, Qiang-Sheng He, Ya-Wen Lu, Ping Yue, Bing Bai, Jin-Duo Zhang, Chao Zhang, Teng Cai, Wen-Kang Fu, Long Gao, Xun Li, Jin-Qiu Yuan, Wen-Bo Meng 
World J Gastroenterol 26(44):7061-7075. Published online Nov 28, 2020. doi: 10.3748/wjg.v26.i44.7061
Case Report
Letter to the Editor