TY - BOOK AU - Silverstein, Fred E AU - Tytgat, Guido NJ TI - Gastrointestinal Endoscopy U1 - 616.33 PY - 1997/// CY - London PB - Mosby-Wolfe KW - Gastric Ulcers KW - Gastrointestinal Tract KW - Stomach Diseases N1 - Includes bibliographical references and index ER -