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Open-Access Journal
Editorial
Low rectal cancer: Sphincter preserving techniques-selection of patients, techniques and outcomes 
Nikoletta Dimitriou, Othon Michail, Dimitrios Moris, John Griniatsos 
World J Gastrointest Oncol 7(7):55-70. Published online Jul 15, 2015. doi: 10.4251/wjgo.v7.i7.55
Review
Anti-angiogenic agents in metastatic colorectal cancer 
Bhavana Konda, Helen Shum, Lakshmi Rajdev 
World J Gastrointest Oncol 7(7):71-86. Published online Jul 15, 2015. doi: 10.4251/wjgo.v7.i7.71
Case Control Study
Association of endothelial nitric oxide synthase gene T-786C promoter polymorphism with gastric cancer 
Devulapalli Krishnaveni, Bhayal Amar Chand, Porika Shravan Kumar, Malladi Uma Devi, Macherla Ramanna, Akka Jyothy, Nallari Pratibha, N Balakrishna, Ananthapur Venkateshwari 
World J Gastrointest Oncol 7(7):87-94. Published online Jul 15, 2015. doi: 10.4251/wjgo.v7.i7.87