The Gastrointestinal tract / by 21 authors ; edited by John H. Yardley, Basil C. Morson, and Murray R. Abell. - Baltimore : Williams & Wilkins, 1977. - xii, 223 p. : ill. - Monographs in pathology ; no. 18 . ISBN: 0683093177 Subjects--Topical Terms: Gastrointestinal system--Cancer.Gastrointestinal system--Diseases.Gastrointestinal diseases.Gastrointestinal neoplasms.