TY - BOOK AU - Halpert, Robert D. TI - Gastrointestinal imaging T2 - The requisites;The requisites in radiology series SN - 9780323032216;0323032214 PY - 2006/// CY - Philadelphia PB - Mosby Elsevier KW - Digestive System KW - Digestive System Diseases KW - Radiography N1 - Includes bibliographical references and index ER -