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An official website of the United States government

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.

Resolving Common Errors

Error: “This catalog.nlm.nih.gov page can’t be found”.
Solution: Clear the cache and restart the browser.

Error: The LocatorPlus Catalog partially loads pages and appears to be stuck.
Solution: Reload the page.

Error: A search is returning nothing when there should be results.
Solution: Clear the cache of the browser and retry the search.