Chalkley, H W <br/><br/>
Methods for Increasing the Value of Hydra as Material in Teaching and Research.  [electronic resource] 

 -  Science (New York, N.Y.)  May 1947 
 - 553 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.105.2734.553  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Hydra<br/>Research