Cotton , P. B.   . <br/><br/>
Practical Gastrointestinal Endoscopy /   Textual Documents 

 -  Blackwell Sci. ,   1980. 
 - 346 ;    
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Index Terms: </label>Gastroenterology  Medical Science  Medicine 
<br/><br/><label>Dewey Class. No.: </label>616.30754  / COT