JESKA, E L <br/><br/>
Is Pennsylvania wormy.  [electronic resource] 

 -  Pennsylvania medical journal (1928)  Dec 1957 
 - 1579-81 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0096-0667 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Helminthiasis--epidemiology<br/>Helminths<br/>Humans<br/>Pennsylvania<br/>Trematode Infections