Whitehead, Richard, 1934- Mucosal biopsy of the gastrointestinal tract / Richard Whitehead. - 3rd ed. - Philadelphia : Saunders, 1985. - xiii, 320 p. : ill. ; 27 cm. - Major problems in pathology ; v. 3 . Includes bibliographies and index. ISBN: 0721613594 Subjects--Topical Terms: Gastrointestinal system--Biopsy.Gastric mucosa--Biopsy.Gastrointestinal system--Diseases--Diagnosis.Biopsy.Gastric Mucosa--pathology.Intestinal Mucosa--pathology. Dewey Class. No.: 616.33 / BEN-M 1985 500908