National Library of Medicine classification :  a scheme for the shelf arrangement of books in the field of medicine and its related sciences / 
National Library of Medicine (U.S.) 
 - 4th ed., rev. 1981. 
 - Washington, D.C. :  U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, National Library of Medicine,  1981 
 - xliii, 397 p. :  ill. ;  29 cm. 
 - NIH publication ;  no. 81-1535 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification--Books--Medicine
<br/><br/><label>Dewey Class. No.: </label>025.4961