TY - GEN AU - Berk,J.Edward AU - Bockus,Henry L. TI - Bockus gastroenterology SN - 0721617778 (set) U1 - 616.3 19 PY - 1985///- CY - Philadelphia PB - Saunders KW - Digestive organs KW - Diseases KW - Gastrointestinal system KW - Gastrointestinal diseases N1 - Includes bibliographies and indexes ER -