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Opinion Review
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Minireviews
Basic Study
Michelle Liz de Souza Pessoa, Leiliane Macena Oliveira Silva, Maria Elaine Cristina Araruna, Catarina Alves de Lima Serafim, Edvaldo Balbino Alves Júnior, Alessa Oliveira Silva, Matheus Marley Bezerra Pessoa, Hermes Diniz Neto, Edeltrudes de Oliveira Lima, Leônia Maria Batista 
World J Gastroenterol 26(43):6795-6809. Published online Nov 21, 2020. doi: 10.3748/wjg.v26.i43.6795
Matteo Palmeri, Niccola Funel, Gregorio Di Franco, Niccolò Furbetta, Desirée Gianardi, Simone Guadagni, Matteo Bianchini, Luca E Pollina, Claudio Ricci, Marco Del Chiaro, Giulio Di Candio, Luca Morelli 
World J Gastroenterol 26(43):6822-6836. Published online Nov 21, 2020. doi: 10.3748/wjg.v26.i43.6822
Retrospective Cohort Study
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Observational Study
Omar Elshaarawy, Sameh Aldesoky Lashen, Nahed A Makhlouf, Doaa Abdeltawab, Mariam Salah Zaghloul, Rasha M Ahmed, Hayam Fathy, Shimaa Afifi, Muhammad Abdel-Gawad, Eman Abdelsameea, Sherief Abd-Elsalam, Salem Youssef Mohamed, Mohammed Tag-Adeen, Mina Tharwat, Ahmed Alzamzamy, Ahmed Nasr Bekhit, Alshaimaa M Eid, Abeer Awad, Mohammad Aamr, Waleed A Abd El Dayem, Mohamed-Naguib Wifi, Mohamed Alboraie 
World J Gastroenterol 26(43):6880-6890. Published online Nov 21, 2020. doi: 10.3748/wjg.v26.i43.6880
Systematic Reviews