Survey of individual users of MEDLINE on the NLM system
Wallingford, Karen T.
National Library of Medicine (U.S.)
Bethesda, Md. : U.S. Dept. of Health and Human Services, National Institutes of Health, National Library of Medicine ; Springfield, VA : Available from U.S. Dept. of Commerce, National Technical Information Service, 
Online Systems -- utilization
See catalog record: 8905049
NLM Permanence Rating: Permanent: Stable content