Gastrointestinal oncology : basic and clinical aspects / edite d by John S. Macdonald. - Boston : Martinus Nijhoff , 1987. - xii, 373 p. : ill. - Cancer treatment and research ; 33. . Subjects--Topical Terms: Gastrointestinal Neoplasms.-------- National Library of Medicine Call No.: WI 149 / G219o 1987