Antibiotics annual 1959-1960 :  proceedings of the seventh annual symposium on antibiotics, november, 4, 5, and 6, 1959, Washington, D.C / 
edited by Henry Welch. 
 - New York :  Antibiotica,   c 1960. 
 - xvii, 1033 p. :  ill. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/>347  347 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Antibióticos--Congresos.
<br/><br/><label>Dewey Class. No.: </label>615.32906 / A87