TY - BOOK AU - Weisiger, Richard A. AU - Bilhartz, Lyman E. TI - Sleisenger & Fordtran's Gastrointestinal and Liver Disease: Review and Assessment SN - 9780721677033 U1 - 616 CHE PY - 1999/// CY - Philadelphia PB - W. B. Saunder's Company KW - General Medicine ER -