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Editorial
Genetically modified mouse models for the study of nonalcoholic fatty liver disease 
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
Trends on gastrointestinal bleeding and mortality: Where are we standing? 
Ahmed Mahmoud El-Tawil 
World J Gastroenterol 18(11):1154-1158. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1154
Management of non-variceal upper gastrointestinal tract hemorrhage: Controversies and areas of uncertainty 
Eric P Trawick, Patrick S Yachimski 
World J Gastroenterol 18(11):1159-1165. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1159
Management of non-variceal upper gastrointestinal tract hemorrhage: Controversies and areas of uncertainty 
Eric P Trawick, Patrick S Yachimski 
World J Gastroenterol 18(11):1159-1165. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.11.1159
Treatment of portal hypertension 
Khurram Bari, Guadalupe Garcia-Tsao 
World J Gastroenterol 18(11):1166-1175. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1166
Management of portal hypertension in children 
Roberto Gugig, Philip Rosenthal 
World J Gastroenterol 18(11):1176-1184. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1176
Pros and cons of colonoscopy in management of acute lower gastrointestinal bleeding 
Dekey Y Lhewa, Lisa L Strate 
World J Gastroenterol 18(11):1185-1190. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1185
Angiographic evaluation and management of acute gastrointestinal hemorrhage 
T Gregory Walker, Gloria M Salazar, Arthur C Waltman 
World J Gastroenterol 18(11):1191-1201. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1191
Management of acute nonvariceal upper gastrointestinal bleeding: Current policies and future perspectives 
Ingrid Lisanne Holster, Ernst Johan Kuipers 
World J Gastroenterol 18(11):1202-1207. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1202
Original Article
Expression of HER2 and bradykinin B1 receptors in precursor lesions of gallbladder carcinoma 
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
Proteomic analysis of gastric cancer and immunoblot validation of potential biomarkers 
Nina Kočevar, Federico Odreman, Alessandro Vindigni, Snježana Frković Grazio, Radovan Komel 
World J Gastroenterol 18(11):1216-1228. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1216
Brief Article
High-dose infliximab for treatment of pediatric ulcerative colitis: A survey of clinical practice 
Roy Nattiv, Janet M Wojcicki, Elizabeth A Garnett, Neera Gupta, Melvin B Heyman 
World J Gastroenterol 18(11):1229-1234. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1229
Polymorphisms of the TLR2 and TLR4 genes are associated with risk of gastric cancer in a Brazilian population 
Juliana Garcia de Oliveira, Ana Elizabete Silva 
World J Gastroenterol 18(11):1235-1242. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1235
Adenoma incidence decreases under the effect of polypectomy 
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
CCL7 and CCL21 overexpression in gastric cancer is associated with lymph node metastasis and poor prognosis 
Tsann-Long Hwang, Li-Yu Lee, Chee-Chan Wang, Ying Liang, Shu-Fang Huang, Chi-Ming Wu 
World J Gastroenterol 18(11):1249-1256. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1249
Bacterial flora concurrent with Helicobacter pylori in the stomach of patients with upper gastrointestinal diseases 
Yuan Hu, Li-Hua He, Di Xiao, Guo-Dong Liu, Yi-Xin Gu, Xiao-Xia Tao, Jian-Zhong Zhang 
World J Gastroenterol 18(11):1257-1261. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1257
Gastric cancer incidence and mortality in Zhuanghe, China, between 2005 and 2010 
Jing-Jing Jing, Hui-Yuan Liu, Jin-Kuan Hao, Li-Na Wang, Yun-Ping Wang, Li-Hua Sun, Yuan Yuan 
World J Gastroenterol 18(11):1262-1269. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1262
Case Report
Esophageal duplication cysts: Endosonographic findings in asymptomatic patients 
Anna Wiechowska-Kozłowska, Ewa Wunsch, Marek Majewski, Piotr Milkiewicz 
World J Gastroenterol 18(11):1270-1272. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1270
Tumors with macroscopic bile duct thrombi in non-HCC patients: Dynamic multi-phase MSCT findings 
Qing-Yu Liu, Xiao-Feng Lin, Hai-Gang Li, Ming Gao, Wei-Dong Zhang 
World J Gastroenterol 18(11):1273-1278. Published online Mar 21, 2012. doi: 10.3748/wjg.v18.i11.1273