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Ashwin Rammohan, Ravichandran Palaniappan, Anbalagan Pitchaimuthu, Kamalakannan Rajendran, Senthil Kumar Perumal, Kesavan Balaraman, Ravi Ramasamy, Jeswanth Sathyanesan, Manoharan Govindan 
World J Gastrointest Surg 6(1):9-13. Published online Jan 27, 2014. doi: 10.4240/wjgs.v6.i1.9