TY - BOOK AU - Grendell,James H. AU - McQuaid,Kenneth R. AU - Friedman,Scott L. TI - Current diagnosis and treatment in gastroenterology SN - 0838514480 PY - 1996/// CY - Stamford PB - Appleton & Lange KW - Gastroenterology KW - Gastrointestinal diseases KW - Diagnosis ER -