Polcák, J <br/><br/>
[Etiology of ulcerative colitis].  [electronic resource] 

 -  Vnitrni lekarstvi  Mar 1972 
 - 300-2 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0042-773X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Colitis, Ulcerative--blood<br/>Humans<br/>Microscopy, Electron