APA

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). To compare the diagnostic yield of fine needle aspiration, surface biopsy and needle knife papillotomy assisted ampullary biopsy in periampullary tumours. : .

Chicago

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

Harvard

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

MLA

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