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Open-Access Journal
Editorial
Micronutrient deficiencies in patients with chronic atrophic autoimmune gastritis: A review 
Federica Cavalcoli, Alessandra Zilli, Dario Conte, Sara Massironi 
World J Gastroenterol 23(4):563-572. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.563
Review
Intraepithelial lymphocytes, scores, mimickers and challenges in diagnosing gluten-sensitive enteropathy (celiac disease) 
Consolato Sergi, Fan Shen, Gerd Bouma 
World J Gastroenterol 23(4):573-589. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.573
Basic Study
Mutational analysis of hepatitis E virus ORF1 "Y-domain": Effects on RNA replication and virion infectivity 
Mohammad Khalid Parvez 
World J Gastroenterol 23(4):590-602. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.590
Suppression of colorectal tumorigenesis by recombinant Bacteroides fragilis enterotoxin-2 in vivo 
You Lv, Tao Ye, Hui-Peng Wang, Jia-Ying Zhao, Wen-Jie Chen, Xin Wang, Chen-Xia Shen, Yi-Bin Wu, Yuan-Kun Cai 
World J Gastroenterol 23(4):603-613. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.603
Retrospective Cohort Study
Assessment of multi-modality evaluations of obscure gastrointestinal bleeding 
Ryan Law, Jithinraj E Varayil, Louis M WongKeeSong, Jeff Fidler, Joel G Fletcher, John Barlow, Jeffrey Alexander, Elizabeth Rajan, Stephanie Hansel, Brenda Becker, Joseph J Larson, Felicity T Enders, David H Bruining, Nayantara Coelho-Prabhu 
World J Gastroenterol 23(4):614-621. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.614
Complications and management of forgotten long-term biliary stents 
Se Hoon Sohn, Jae Hyun Park, Kook Hyun Kim, Tae Nyeun Kim 
World J Gastroenterol 23(4):622-628. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.622
Validation of prognostic indices in Egyptian Budd-Chiari syndrome patients: A single-center study 
Mohammad Sakr, Sara M Abdelhakam, Soheir A Elsayed, Enas H Allam, Amir M Farid, Waleed Abdelmoaty, Azza M Hassan, Mohamed Shaker, Mohamed El-Gharib, Ahmed Eldorry 
World J Gastroenterol 23(4):629-637. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.629
Retrospective Study
Predictors of vitamin D deficiency in inflammatory bowel disease and health: A Mississippi perspective 
Kumar Pallav, Daniel Riche, Warren L May, Patrick Sanchez, Nitin K Gupta 
World J Gastroenterol 23(4):638-645. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.638
Prediction of esophageal and gastric histology by macroscopic diagnosis during upper endoscopy in pediatric celiac disease 
Erin D Boschee, Jason Y K Yap, Justine M Turner 
World J Gastroenterol 23(4):646-652. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.646
Laparoscopic resection vs laparoscopic radiofrequency ablation for the treatment of small hepatocellular carcinomas: A single-center analysis 
Marco Casaccia, Gregorio Santori, Giuliano Bottino, Pietro Diviacco, Enzo Andorno 
World J Gastroenterol 23(4):653-660. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.653
Endoscopic ultrasound-guided gallbladder drainage for acute cholecystitis: Long-term outcomes after removal of a self-expandable metal stent 
Ken Kamata, Mamoru Takenaka, Masayuki Kitano, Shunsuke Omoto, Takeshi Miyata, Kosuke Minaga, Kentaro Yamao, Hajime Imai, Toshiharu Sakurai, Tomohiro Watanabe, Naoshi Nishida, Masatoshi Kudo 
World J Gastroenterol 23(4):661-667. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.661
Comparative study: Vonoprazan and proton pump inhibitors in Helicobacter pylori eradication therapy 
Kouichi Sakurai, Hiroko Suda, Yumi Ido, Takayuki Takeichi, Ayako Okuda, Kiwamu Hasuda, Masahiro Hattori 
World J Gastroenterol 23(4):668-675. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.668
Negative oncologic impact of poor postoperative pain control in left-sided pancreatic cancer 
Eun-Ki Min, Jae Uk Chong, Ho Kyoung Hwang, Sang Joon Pae, Chang Moo Kang, Woo Jung Lee 
World J Gastroenterol 23(4):676-686. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.676
Correlation of transient elastography with hepatic venous pressure gradient in patients with cirrhotic portal hypertension: A study of 326 patients from India 
Ashish Kumar, Noor Muhammad Khan, Shrihari Anil Anikhindi, Praveen Sharma, Naresh Bansal, Vikas Singla, Anil Arora 
World J Gastroenterol 23(4):687-696. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.687
Observational Study
Implications of small-bowel transit time in the detection rate of capsule endoscopy: A multivariable multicenter study of patients with obscure gastrointestinal bleeding 
Carlo Maria Girelli, Marco Soncini, Emanuele Rondonotti 
World J Gastroenterol 23(4):697-702. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.697
Role of capsule endoscopy in suspected celiac disease: A European multi-centre study 
Marisol Luján-Sanchis, Enrique Pérez-Cuadrado-Robles, Javier García-Lledó, José-Francisco Juanmartiñena Fernández, Luca Elli, Victoria-Alejandra Jiménez-García, Juan Egea-Valenzuela, Julio Valle-Muñoz, Cristina Carretero-Ribón, Ignacio Fernández-Urién-Sainz, Antonio López-Higueras, Noelia Alonso-Lázaro, Mileidis Sanjuan-Acosta, Francisco Sánchez-Ceballos, Bruno Rosa, Santiago González-Vázquez, Federica Branchi, Lucía Ruano-Díaz, César Prieto-de-Frías, Vicente Pons-Beltrán, Pilar Borque-Barrera, Begoña González-Suárez, Sofía Xavier, Federico Argüelles-Arias, Juan-Manuel Herrerías-Gutiérrez, Enrique Pérez-Cuadrado-Martínez, Javier Sempere-García-Argüelles 
World J Gastroenterol 23(4):703-711. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.703
Association between endotoxemia and histological features of nonalcoholic fatty liver disease 
Hiroyuki Kitabatake, Naoki Tanaka, Naoyuki Fujimori, Michiharu Komatsu, Ayaka Okubo, Kyogo Kakegawa, Takefumi Kimura, Ayumi Sugiura, Tomoo Yamazaki, Soichiro Shibata, Yuki Ichikawa, Satoru Joshita, Takeji Umemura, Akihiro Matsumoto, Masayoshi Koinuma, Kenji Sano, Toshifumi Aoyama, Eiji Tanaka 
World J Gastroenterol 23(4):712-722. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.712
Long-term prognosis in patients continuing taking antithrombotics after peptic ulcer bleeding 
Xi-Xu Wang, Bo Dong, Biao Hong, Yi-Qun Gong, Wei Wang, Jue Wang, Zhen-Yu Zhou, Wei-Jun Jiang 
World J Gastroenterol 23(4):723-729. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.723
Case Report
Real case of primitive embryonal duodenal carcinoma in a young man 
Julien Barbieux, Riccardo Memeo, Vito De Blasi, Sebastian Suciu, Vanina Faucher, Gerlinde Averous, Catherine Roy, Jacques Marescaux, Didier Mutter, Patrick Pessaux 
World J Gastroenterol 23(4):730-734. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.730
Late-onset severe biliary bleeding after endoscopic pigtail plastic stent insertion 
Muneji Yasuda, Hideki Sato, Yuki Koyama, Tomoki Sakakida, Takumi Kawakami, Takeshi Nishimura, Hideki Fujii, Yoshikazu Nakatsugawa, Shinya Yamada, Naoya Tomatsuri, Yusuke Okuyama, Hiroyuki Kimura, Takaaki Ito, Hiroyuki Morishita, Norimasa Yoshida 
World J Gastroenterol 23(4):735-739. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.735
Letters To The Editor
Correcting for non-compliance when determining colonic transit time with radio-opaque markers 
Alvin Ibarra, Kaisa Olli, Arthur C Ouwehand 
World J Gastroenterol 23(4):740-742. Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.740