Zalewski, T <br/><br/>
[Gastroenterology].  [electronic resource] 

 -  Pediatria polska  1974 
 - 871-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0031-3939 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child<br/>Gastrointestinal Diseases--therapy<br/>Humans<br/>Poland