Classen, M <br/><br/>
[Unnecessary endoscopy and biopsy].  [electronic resource] 

 -  Zeitschrift fur Gastroenterologie. Verhandlungsband  Apr 1984 
 - 27-31 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0172-8504 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biopsy<br/>Gastrointestinal Diseases--pathology<br/>Gastroscopy<br/>Germany, West<br/>Humans<br/>Surveys and Questionnaires