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

Bethesda, Md. : U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, National Library of Medicine ; Washington, DC, 1999.

1 volume (various pagings) : illustrations ; 29 cm.

5th ed., rev.

Includes bibliographical references and index.