Thomson, A. B. R. First principles of gastroenterology : the basis of disease and an approach to management. - 3rd ed. - Canada : Canadian Association of Gastroenterology, 1997. - xiv, 662 p. : ill. ; 24 cm. Includes index. ISBN: 0920163149 Subjects--Topical Terms: Priniciples. Dewey Class. No.: 616.33 THO