00824nam a2200241Ia 4500003000400000005001700004006001800021007000300039008004100042024001100083037001100094040001800105041001300123100002100136110008500157245015800242260000900400300001800409650002100427700002400448700002500472700008500497OSt20220930081848.0a|||||r|||| 00| 0ta220926b        |||||||| |||| 00| 0 eng d  a109178  cTheses  aCRLcCRLbeng  2engaeng  aSoni Ram Chandra  aUniversity of Delhi. Faculty of Medical Sciences. Department of Gastroenterology 0aTo compare the diagnostic yield of fine needle aspiration, surface biopsy and needle knife papillotomy assisted ampullary biopsy in periampullary tumours  c2009  a62p.ap.ccm.  aGASTROENTEROLOGY  a Dr. A. S. Puri Gu.  a Dr. R. K. Saran Gu.  aUniversity of Delhi. Faculty of Medical Sciences. Department of Gastroenterology