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Open-Access Journal
Review
Basic Study
Retrospective Study
Observational Study
Akoï Koïvogui, Christian Balamou, Raushan Rymzhanova, Tu Letrung, Hamou Ait Hadad, Zahida Brixi, Stéphane Cornelis, Hélène Delattre-Massy, Thomas Aparicio, Robert Benamouzig 
World J Gastrointest Oncol 11(9):729-740. Published online Sep 15, 2019. doi: 10.4251/wjgo.v11.i9.729
Systematic Reviews
Jesús Morales-Maza, Francisco Ulises Pastor-Sifuentes, Germán E Sánchez-Morales, Emilio Sanchez-Garcia Ramos, Oscar Santes, Uriel Clemente-Gutiérrez, Adriana Simoneta Pimienta-Ibarra, Heriberto Medina-Franco 
World J Gastrointest Oncol 11(9):750-760. Published online Sep 15, 2019. doi: 10.4251/wjgo.v11.i9.750
Case Report
Chiaki Inagaki, Daichi Maeda, Akie Kimura, Toru Otsuru, Yoshifumi Iwagami, Naohiro Nishida, Daisuke Sakai, Ryo Shitotsuki, Shinichi Yachida, Yuichiro Doki, Taroh Satoh 
World J Gastrointest Oncol 11(9):761-767. Published online Sep 15, 2019. doi: 10.4251/wjgo.v11.i9.761