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Open-Access Journal
Editorial
Management of fistula-in-ano: An introduction 
AM El-Tawil 
World J Gastroenterol 17(28):3271-3271. Published online Jul 28, 2011. doi: 10.3748/wjg.v17.i28.3271
Topic Highlight
Anal fistula: Intraoperative difficulties and unexpected findings 
Ahmed A Abou-Zeid 
World J Gastroenterol 17(28):3272-3276. Published online Jul 28, 2011. doi: 10.3748/wjg.v17.i28.3272
Idiopathic fistula-in-ano 
Sherief Shawki, Steven D Wexner 
World J Gastroenterol 17(28):3277-3285. Published online Jul 28, 2011. doi: 10.3748/wjg.v17.i28.3277
Current management of cryptoglandular fistula-in-ano 
Joshua IS Bleier, Husein Moloo 
World J Gastroenterol 17(28):3286-3291. Published online Jul 28, 2011. doi: 10.3748/wjg.v17.i28.3286
Why do we have so much trouble treating anal fistula? 
Haig Dudukgian, Herand Abcarian 
World J Gastroenterol 17(28):3292-3296. Published online Jul 28, 2011. doi: 10.3748/wjg.v17.i28.3292
Why do we have to review our experience in managing cases with idiopathic fistula-in-ano regularly? 
Claudio Fucini, Iacopo Giani 
World J Gastroenterol 17(28):3297-3299. Published online Jul 28, 2011. doi: 10.3748/wjg.v17.i28.3297
Original Article
Helicobacter pylori arginase mutant colonizes arginase II knockout mice 
Songhee H Kim, Melanie L Langford, Jean-Luc Boucher, Traci L Testerman, David J McGee 
World J Gastroenterol 17(28):3300-3309. Published online Jul 28, 2011. doi: 10.3748/wjg.v17.i28.3300
Doxycycline blocks gastric ulcer by regulating matrix metalloproteinase-2 activity and oxidative stress 
Laishram Pradeepkumar Singh, Amartya Mishra, Debjit Saha, Snehasikta Swarnakar 
World J Gastroenterol 17(28):3310-3321. Published online Jul 28, 2011. doi: 10.3748/wjg.v17.i28.3310
Immunostaining of PD-1/PD-Ls in liver tissues of patients with hepatitis and hepatocellular carcinoma 
Bao-Ju Wang, Jun-Jie Bao, Jun-Zhong Wang, Yang Wang, Min Jiang, Ming-You Xing, Wan-Guang Zhang, Jun-Ying Qi, Michael Roggendorf, Meng-Ji Lu, Dong-Liang Yang 
World J Gastroenterol 17(28):3322-3329. Published online Jul 28, 2011. doi: 10.3748/wjg.v17.i28.3322
Interactions between CagA and smoking in gastric cancer 
Xiao-Qin Wang, Hong Yan, Paul D Terry, Jian-Sheng Wang, Li Cheng, Wen-An Wu, Sen-Ke Hu 
World J Gastroenterol 17(28):3330-3334. Published online Jul 28, 2011. doi: 10.3748/wjg.v17.i28.3330
Brief Article
Correlation of fatty liver and abdominal fat distribution using a simple fat computed tomography protocol 
Seonah Jang, Chang Hee Lee, Kyung Mook Choi, Jongmee Lee, Jae Woong Choi, Kyeong Ah Kim, Cheol Min Park 
World J Gastroenterol 17(28):3335-3341. Published online Jul 28, 2011. doi: 10.3748/wjg.v17.i28.3335
Self-expanding metallic stents drainage for acute proximal colon obstruction 
Li-Qin Yao, Yun-Shi Zhong, Mei-Dong Xu, Jian-Min Xu, Ping-Hong Zhou, Xian-Li Cai 
World J Gastroenterol 17(28):3342-3346. Published online Jul 28, 2011. doi: 10.3748/wjg.v17.i28.3342
Risk factors for predicting early variceal rebleeding after endoscopic variceal ligation 
Liang Xu, Feng Ji, Qin-Wei Xu, Mie-Qing Zhang 
World J Gastroenterol 17(28):3347-3352. Published online Jul 28, 2011. doi: 10.3748/wjg.v17.i28.3347
Hepatitis B virus and hepatocellular carcinoma at the miRNA level 
Zhen-Zhen Zhang, Xiang Liu, De-Qiang Wang, Mai-Kun Teng, Li-Wen Niu, Ai-Long Huang, Zhi Liang 
World J Gastroenterol 17(28):3353-3358. Published online Jul 28, 2011. doi: 10.3748/wjg.v17.i28.3353
Laparoscopic fenestration vs open fenestration in patients with congenital hepatic cysts: A meta-analysis 
Jian-Guo Qiu, Hong Wu, Hui Jiang, Ji-Wei Huang, Prasoon Pankaj, Ying-Long Xu, Jing-Zhou Wang, Yong Zeng 
World J Gastroenterol 17(28):3359-3365. Published online Jul 28, 2011. doi: 10.3748/wjg.v17.i28.3359
Case Report
Anchor-wire technique for multiple plastic biliary stents to prevent stent dislocation 
Tsuyoshi Hamada, Yousuke Nakai, Saburo Matsubara, Hiroyuki Isayama, Akiko Narita, Kazuhiro Watanabe, Yukihiro Koike, Shigeo Matsukawa, Tateo Kawase, Kazuhiko Koike 
World J Gastroenterol 17(28):3366-3368. Published online Jul 28, 2011. doi: 10.3748/wjg.v17.i28.3366