TY - BOOK AU - Cohen,Sidney,1910- TI - Clinical gastroenterology: a problem-oriented approach SN - 0471080713 PY - 1983/// CY - New York PB - John Wiley & Sons KW - Gastrointestinal system KW - Diseases KW - Problems, exercises, etc KW - Gastrointestinal diseases KW - Diagnosis KW - Therapy KW - Gastrointestinal neoplasms N1 - Includes bibliographical references ER -