Classen, M <br/><br/>
[Tu felix Austria - endoscopic papillotomy in Austria].  [electronic resource] 

 -  Zeitschrift fur Gastroenterologie  Feb 1981 
 - 97-8 p.  digital 
<br/><br/> Publication Type: Editorial 
<br/><br/><label>ISSN: </label>0044-2771 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ampulla of Vater--surgery<br/>Endoscopy--adverse effects<br/>Humans