The gastrointestinal tract by 21 authors - Yardley, John H. (Baltimore : Willliams and Wilkins, 1977)
"Based on presentations from the Academy's long course, Inflammatory and neoplastic diseases of the gastrointestinal tract given at the 65t h annual meeting of the United States, Canadian Division in March 1976"
Keywords: Gastrointestinal Diseases -- congresses; Gastrointestinal Neoplasms -- congresses