Colvin Goonaratna H J De Silva <br/><br/>
Gastroenterology Update 

 -  Colombo: Gastroenterological & Digestive Endoscopy Society Sl  1993 
 - 133pgs 
 - Gastroenterology 
<br/><br/><label>ISBN: </label>955-9265-00-8 
<br/><br/><label>Nat. Bib. No.: </label>004252 
<br/><br/><label>Dewey Class. No.: </label>616.3G17