Institution: | 1. Department of Biophysics, Post Graduate Institute of Medical Education and Research, , Chandigarh, India;2. Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, , Chandigarh, India;3. Department of Nuclear Medicine, Post Graduate Institute of Medical Education and Research, , Chandigarh, India;4. Department of Surgery, Lady Hardinge Medical College, , New Delhi, India |