11/30/2016 04:55 PM EST
Beginning in 1997, the National Library of Medicine (NLM) has managed a dramatic shift in how citation data first enter the MEDLINE process: from double keyboarding citations by hand; to scanning and using optical character recognition (OCR); to importing records supplied by publishers in eXtensible Markup Language (XML) format.
11/30/2016 04:55 PM EST
The graph and chart below reflect the number of indexed1 citations added to MEDLINE during each fiscal year since 1995.
11/30/2016 04:55 PM EST
MEDLINE consists of completed citations indexed with MeSH (Medical Subject Headings).
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