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Open-Access Journal
Editorial
Difficult colon polypectomy 
Klaus Vormbrock, Klaus Mönkemüller 
World J Gastrointest Endosc 4(7):269-280. Published online Jul 16, 2012. doi: 10.4253/wjge.v4.i7.269
Use of portal pressure studies in the management of variceal haemorrhage 
Jennifer Addley, Tony CK Tham, William Jonathan Cash 
World J Gastrointest Endosc 4(7):281-289. Published online Jul 16, 2012. doi: 10.4253/wjge.v4.i7.281
Stenosis in gastric bypass: Endoscopic management 
Jesús Espinel, Eugenia Pinedo 
World J Gastrointest Endosc 4(7):290-295. Published online Jul 16, 2012. doi: 10.4253/wjge.v4.i7.290
Topic Highlight
What are the latest developments in colorectal endoscopic submucosal dissection? 
Toshio Uraoka, Yutaka Saito, Naohisa Yahagi 
World J Gastrointest Endosc 4(7):296-300. Published online Jul 16, 2012. doi: 10.4253/wjge.v4.i7.296
Observation
Possibilities of interventional endoscopic ultrasound 
Makoto Nishimura, Osamu Togawa, Miho Matsukawa, Takashi Shono, Yasutoshi Ochiai, Masamitsu Nakao, Keiko Ishikawa, Shin Arai, Hiroto Kita 
World J Gastrointest Endosc 4(7):301-305. Published online Jul 16, 2012. doi: 10.4253/wjge.v4.i7.301
Guidelines For Clinical Practice
Endoscopic ultrasound guided biliary drainage 
Ilaria Tarantino, Luca Barresi, Carlo Fabbri, Mario Traina 
World J Gastrointest Endosc 4(7):306-311. Published online Jul 16, 2012. doi: 10.4253/wjge.v4.i7.306
Review
Endoscopic management of esophageal varices 
Joaquin Poza Cordon, Consuelo Froilan Torres, Aurora Burgos García, Francisco Gea Rodriguez, Jose Manuel Suárez de Parga 
Clinical manifestations and management 4(7):312-322. Published online Jul 16, 2012. doi: 10.4253/wjge.v4.i7.312
Brief Article
A study of the changes in the cause of peptic ulcer bleeding 
Haruka Fujinami, Takahiko Kudo, Ayumu Hosokawsa, Kohei Ogawa, Takako Miyazaki, Jun Nishikawa, Shinya Kajiura, Takayuki Ando, Akira Ueda, Toshiro Sugiyama 
World J Gastrointest Endosc 4(7):323-327. Published online Jul 16, 2012. doi: 10.4253/wjge.v4.i7.323
Case Report
Role of endoscopic ultrasound and endoscopic retrograde cholangiopancreatography in isolated pancreatic metastasis from lung cancer 
Dushyant Singh, Omkar U Vaidya, Esmat Sadeddin, Osama Yousef 
World J Gastrointest Endosc 4(7):328-330. Published online Jul 16, 2012. doi: 10.4253/wjge.v4.i7.328
Acute inflammation occurring in gastric aberrant pancreas followed up by endoscopic ultrasonography 
Ko Watanabe, Atsushi Irisawa, Takuto Hikichi, Tadayuki Takagi, Goro Shibukawa, Masaki Sato, Katsutoshi Obara, Hiromasa Ohira 
World J Gastrointest Endosc 4(7):331-334. Published online Jul 16, 2012. doi: 10.4253/wjge.v4.i7.331
A case of chronic pancreatitis in which endoscopic ultrasonography was effective in the diagnosis of a pseudoaneurysm 
Kazuhiro Fukatsu, Kazuki Ueda, Hiroki Maeda, Yasunobu Yamashita, Masahiro Itonaga, Yoshiyuki Mori, Kosaku Moribata, Naoki Shingaki, Hisanobu Deguchi, Shotaro Enomoto, Izumi Inoue, Takao Maekita, Mikitaka Iguchi, Hideyuki Tamai, Jun Kato, Masao Ichinose 
World J Gastrointest Endosc 4(7):335-338. Published online Jul 16, 2012. doi: 10.4253/wjge.v4.i7.335