Authors: Uday C Ghoshal; Philip Abraham; Shobna J Bhatia; Sri Prakash Misra; Gourdas Choudhuri; K D Biswas; Karmabir Chakravartty; Sunil Dadhich; B D Goswami; V Jayanthi; Sunil Kumar; Abraham Koshy; K R Vinay Kumar; Govind Makharia; Sandeep Nijhawan; Nitesh Pratap; Gautam Ray; Sanjeev Sachdeva; Shivaram Prasad Singh; Varghese Thomas; Harsh Udawat Journal: Indian J Gastroenterol Date: 2013-09-03