FAQ: LocatorPlus -- Incomplete List of Sources Indexing a Journal

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• The NLM only maintains indexing information for its own products (e.g. PubMed, Index Medicus, etc. [ceased in 2004] ).
  
  
• The NLM adds and updates NLM indexing information on catalog records for all titles NLM indexes.
  
  
• The NLM does not add any other indexing sources to the record.
  
  
• When the NLM catalog record in LocatorPlus is based on another library's cataloging copy, the NLM does not remove indexing information already on the record, but does not routinely verify or update any non-NLM indexing information.
  
  

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http://www.nlm.nih.gov/services/cat_lpjourind.html

Last reviewed: 11 August 2008
Last updated: 11 August 2008
First published: 01 October 2000
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