[4th National Congress of Gastroenterology with international participation. Proceedings].  [electronic resource] 

 -  Vutreshni bolesti  1986 
 - 1-27 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0506-2772 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digestive System Diseases<br/>Humans