LEES, E <br/><br/>
Sex hormones as a possible factor influencing the level of parasitization in frogs.  [electronic resource] 

 -  Nature  Dec 1960 
 - 1207-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0028-0836 
<br/><br/><label>Standard No.: </label>10.1038/1881207a0  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Anura--parasitology<br/>Gonadal Steroid Hormones<br/>Helminths