TY - BOOK AU - Whitehead,Richard TI - Mucosal biopsy of the gastrointestinal tract SN - 0721693032 (hbk.) PY - 1973/// CY - London PB - W. B. Saunders Company Ltd KW - Gastrointestinal system KW - Biopsy KW - Gastric mucosa KW - Diseases KW - Diagnosis N1 - Includes index; Includes bibliographic references ER -