Jayant Kumar Ghosh1, Sundeep Kumar Goyal1, Manas Kumar Behera1, Manish Kumar Tripathi1, Vinod Kumar Dixit1, Ashok Kumar Jain1, Ramchandra Shukla2
Department of Gastroenterology1
and Radiodiagnosis2,
Institute of Medical Sciences,
Banaras Hindu University,
Varanasi - 221005,
India