FIRST principles of gastroenterology: The basis of disease and an approach to / 
[by] A. B. R. Thomson, E. A. Shaffer 
 - 3rd ed. 
 - Ontario  Astra pharma  1997 
 - xiv, 662 p. 
<br/><br/> Includes bibliography, references & index. 
<br/><br/><label>ISBN: </label>920163165 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gastroenterology
<br/><br/><label>Dewey Class. No.: </label>616.33  / FIR