TY - BOOK AU - Chopra,Sanjiv AU - Sugarman,Daniel TI - Gastroenterology: Problems in primary care PY - 1990/// CY - Oradell, New Jersey PB - Medical Economics Books KW - Gastrointestinal system KW - Diseases KW - Handbooks, manuals, etc KW - Family medicine KW - handbooks, manuals, etc N1 - Includes bibliographical references and index ER -