Hirsh, Harold L. <br/><br/>
Penicillin  Harold L. Hirsh, Lawrence E. Putnam. 

 - New York  Medical Encyclopedia  1958 
 - xi, 148p., 23cm 
 - (Antibiotics monographs, no.9). .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pharmacology Antibiotics. 
<br/><br/><label>Dewey Class. No.: </label>615.32923  / H67P