TY  - BOOK
AU  - Soni Ram Chandra
AU  -  Dr. A. S. Puri Gu.
AU  -  Dr. R. K. Saran Gu.
AU  - University of Delhi. Faculty of Medical Sciences. Department of Gastroenterology
ED  - University of Delhi. Faculty of Medical Sciences. Department of Gastroenterology
TI  - To compare the diagnostic yield of fine needle aspiration, surface biopsy and needle knife papillotomy assisted ampullary biopsy in periampullary tumours
PY  - 2009///
KW  - GASTROENTEROLOGY
ER  -