To compare the diagnostic yield of fine needle aspiration, surface biopsy and needle knife papillotomy assisted ampullary biopsy in periampullary tumours - Soni Ram Chandra; University of Delhi. Faculty of Medical Sciences. Department of Gastroenterology; Dr. A. S. Puri Gu.; Dr. R. K. Saran Gu.; University of Delhi. Faculty of Medical Sciences. Department of Gastroenterology (2009)
Keywords: GASTROENTEROLOGY