TY - BOOK AU - Bockus, Henry L. AU - Travis, Simon P.L. TI - Gastroenterology PY - 2005/// CY - Philadelphia PB - W.B. Saunders KW - Gastrointestinal system KW - Diseases KW - Handbook,manual KW - Digestive System Diseases N1 - Includes index; Includes bibliographical references ER -