Krebs, E T <br/><br/>
Trophoblast Elements in Cancer.  [electronic resource] 

 -  Science (New York, N.Y.)  Sep 1946 
 - 302 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.104.2700.302  doi