| Affiliation: | 1. Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh;2. Department of Gastroenterology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221 005 India;3. Department of Radiology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221 005 India;4. Department of Pathology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221 005 India;5. Department of Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221 005 India |
