National Library of Medicine classification :  a scheme for the self arrangement of library materials in the field of medicine and its related sciences. 

 - 5th ed. 
 - Bethesda :  National Library of Medicine,  1994. 
 - 248 p. ;  29 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0160453976 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification.<br/>Medicine.