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PDFPage 45
. 1987 Jan;75(1):45.
Reference and Online Services Handbook: Guidelines, Policies and Procedures for Libraries
Reviewed by: Shirley B Hesslein
1
1Buffalo, New York
PMCID: PMC227610
. 1987 Jan;75(1):45.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.