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Open-Access Journal
Editorial
Perumal Nagarajan, M Jerald Mahesh Kumar, Ramasamy Venkatesan, Subeer S Majundar, Ramesh C Juyal 
World J Gastroenterol 18(11):1141-1153. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1141
Topic Highlight
Original Article
Cesar Toledo, Carola E Matus, Ximena Barraza, Pamela Arroyo, Pamela Ehrenfeld, Carlos D Figueroa, Kanti D Bhoola, Maeva del Pozo, Maria T Poblete 
World J Gastroenterol 18(11):1208-1215. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1208
Brief Article
Isadora Rosa, Paulo Fidalgo, José Soares, Susana Vinga, Carla Oliveira, João P Silva, Susana M Ferro, Paula Chaves, António G Oliveira, Carlos N Leitão 
World J Gastroenterol 18(11):1243-1248. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1243
Case Report