Welch, Henry,    1902- <br/><br/>
A guide top antibiotic therapy /    
H. Welch. 
 - New York :   Medical Encyclopedia ,   1959. 
 - 69 p. ;    27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Antibiotics--------
<br/><br/><label>National Library of Medicine Call No.: </label>QV 350   /  W443g