TY - BOOK AU - Halpert, Robert D. AU - Feczko, Peter J. TI - Gastrointestinal radiology: the requisites SN - 0815143702 AV - RC 804 .R6H27 c1999 PY - 1999/// CY - Philadelphia PB - Mosby KW - Gastrointestinal KW - radiography N1 - Includes bibliography and index ER -