OTTENJANN, R <br/><br/>
[Advances in the field of gastroenterology].  [electronic resource] 

 -  Medizinische Klinik  May 1962 
 - 809-13 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0025-8458 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coloring Agents<br/>Gastroenterology<br/>Humans