TY - BOOK AU - Thomson,A.B.R. AU - Shaffer,E.A. TI - First principles of gastroenterology: The basis of disease and an approach to management SN - 0-920163-12-2 PY - 1994/// CY - Edmonton PB - Canadian Association of Gastroenterology and Astra Phama Inc. KW - Gastrointestinal system KW - Diseases KW - Treatment N1 - Includes bibliographical references and index ER -