Simon, Harold J. <br/><br/>
Attenuated infection :  the germ theory in contemporary perspective. 
Harold J. Simon. 
 - Philladelphis.  Lippincott.  1960 
 - xvi, 340p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Germ theory of diseases.
<br/><br/><label>Dewey Class. No.: </label>616.01 SIA