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Ashwin Rammohan, Jeswanth Sathyanesan, Kamalakannan Rajendran, Anbalagan Pitchaimuthu, Senthil-Kumar Perumal, UP Srinivasan, Ravi Ramasamy, Ravichandran Palaniappan, Manoharan Govindan 
World J Gastrointest Oncol 5(6):102-112. Published online Jun 15, 2013. doi: 10.4251/wjgo.v5.i6.102