COGHILL, R D <br/><br/>
The relative effectiveness of pure penicillins G, X, and K.  [electronic resource] 

 -  Science (New York, N.Y.)  Jun 1946 
 - 709 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Penicillin G<br/>Penicillins