Cotton and Williams' practical gastrointestinal endoscopy :  the fundamentals/ 
Adam Haycock ; Jonathan Cohen ; Brian P Saunders ; Peter B Cotton & Christopher B Williams. 
 - Seventh edition. 
 - West Sussex :  Wiley Blackwell,   2014. 
 - xvi, 192 pages :  illustrations (some colour) ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9781118406465 (hardback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gastrointestinal Diseases--diagnosis.<br/>Endoscopy--methods.<br/>Gastrointestinal Diseases--surgery.