TY - BOOK AU - Benson, Al TI - Gastrointestinal oncology SN - 9780792382058 SN - 98022563 U1 - 616.99433 BEN PY - 1998/// CY - Dordrecht ; Boston PB - Kluwer Academic KW - Combined Modality Therapy - methods KW - Digestive System Neoplasms - therapy KW - Gastrointestinal system - Cancer N1 - Includes bibliographical references and index ER -