TY - BOOK AU - Barkin, James S. AU - Rogers, Arvey I. TI - Difficult decision in digestive diseases SN - 0801680190 U1 - CIR 616.3 B256 1994 PY - 1994/// CY - Missouri PB - Mosby KW - Digestives organs KW - Diseases KW - Gastroenterology KW - Decision making N1 - Includes index ER -