O'Loughlin, Colm <br/><br/>
Extending the sphincterotomy.  [electronic resource] 

 -  The American journal of gastroenterology  Apr 2002 
 - 1053-4 p.  digital 
<br/><br/> Publication Type: Comment; Journal Article 
<br/><br/><label>ISSN: </label>0002-9270 
<br/><br/><label>Standard No.: </label>10.1111/j.1572-0241.2002.05650.x  doi