Whitehaed, Richard. Mucosal biopsy of the gastrointestinal tract. - 3rd ed. - Philadelphia : W.B. Saunders , 1985. - xiii, 320 p. : ill. - Major problems in pathology ; v.3. . Subjects--Topical Terms: Biopsy.--pathology------Gastric Mucosa --pathology.------Intestinal Mucosa -------- National Library of Medicine Call No.: WI 141 / W587m 1985