Welch, Henry. <br/><br/>
A guide to antibiotic therapy /    
Henry Welch. 
 - New York :   Medical Encyclopedia,   1959. 
 - 69 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Anti-Bacterial Agents --therapeutic use------
<br/><br/><label>National Library of Medicine Call No.: </label>QV 350   /  W443g