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New on STN

January 2020

Changes to Derwent WPI Update numbering and the total number of annual DWPI updates

December 2019

Derwent World Patents Index: Manual Code revision 2020

December 2019

New Korean Patent Full-Text Database KRFULL released

STN User Meetings

Munich, 20.05.2020

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 Summary Sheet


Producer:U.S. National Library of Medicine, USA
File Size:More than 30 million records (08/2019)
Updates:Six times each week, with an annual reload
File Type:Bibliographic
STN Easy:Yes

MEDLINE contains information on every area of medicine. The MEDLINE database corresponds to Index Medicus, Index to Dental Literature, and International Nursing Index; OLDMEDLINE, with data from NLM’s from the Cumulated Index Medicus (1960-1965) and Current List of Medical Literature (1958-1959); and, since August 2001, IN-PROCESS records, the latest documents before they have been completely indexed for inclusion on MEDLINE. Sources include journals and chapters in books or symposia. Bibliographic information, indexing terms, abstracts, chemical names, and CAS Registry Numbers are all searchable. Online thesauri are available for the Medical Subject Headings (/MN), Controlled Terms (/CT) and Chemical Name (/CN) fields. A learning file, LMEDLINE, is available.


U.S. National Library of Medicine (NLM)
8600 Rockville Pike
Bethesda, MD 20894
Phone: (+1 301) 594-5983
Email: custserv(at)nlm.nih(dot)gov

Usage Terms

The following use and distribution restrictions apply to your use of the MEDLINE File on STN. The following use and distribution restrictions apply to your use of the MEDLINE File on STN. All copyrights are reserved. Unless specified otherwise in these RESTRICTIONS, CUSTOMER may use copyrighted search results in the following ways:

  1. in copyrighted scientific publications when search results are incidental to the publication and
  2. in reports to a Government Agency that are required by law or by administrative rule.

Search results delivered to CUSTOMER in computer-readable form remain the property of the Database Producer. Unless specified otherwise in these RESTRICTIONS, Recipient may use search results in computer-readable form for the following purposes:

  1. editing or changing the format of search results to create search terms for use with search files or systems;
  2. combining search results with output from other searches, files, or systems to create a consolidated file of search results;
  3. editing the search results to remove irrelevant answers or to change the format of such results.

Recipient shall not use computer-readable search results as a database or part of a database from which hits are selectively retrieved by programmed search, unless Recipient has purchased the right to store search results using the ARCHIVE command or keyword.

Recipient may create one printed copy of search results from a computer-readable file of search results at no additional charge.

Recipient must destroy the computer-readable search results upon creation of the printed version, unless Recipient has purchased the right to archive records with the ARCHIVE command or keyword.
Recipient may purchase the right to redistribute search results to additional users using the REDISTRIBUTE command or keyword.

Enter HELP SHARETERMS for detailed information on the STN Information Keep & Share Program, which allows Recipients to purchase the right to archive and / or redistribute search results from STN databases for internal re-use. Or, visit the STN Information Keep & Share Program for details.

Recipient shall obtain Database Producer's specific written permission for any uses of computer-readable search results other than those listed here. MEDLINE is produced by U.S. National Library of Medicine (NLM). NLM represents that the data provided under this Agreement were formulated with a reasonable standard of care. Except for this representation, and as otherwise specifically provided in this Agreement, NLM makes no representation or warranties, expressed or implied. This includes, but is not limited to, any implied warranty of merchantability or fitness for a particular purpose, with respect to the NLM databases, and NLM specifically disclaims any such warranties and representations. Unless otherwise prohibited, organizations or institutions may download small amounts of NLM-produced citations for redistribution.

For MEDLINE, this is about 1,000 per month or 12,000 records for each year of coverage. Since NLM makes corrections and enhancements to and performs maintenance on these records at least annually, you should plan to replace or correct the records once a year to ensure that they are still correct and searchable as a group. NLM databases are produced by a U.S. government agency and as such the contents are not covered by copyright domestically. They may be copyrighted outside the U.S. Some NLM produced data is from copyrighted publications of the respective copyright claimants. Users of the NLM databases are solely responsible for compliance with any copyright restrictions and are referred to the publication data appearing in the bibliographic citations, as well as to the copyright notices appearing in the original publications, all of which are incorporated by reference. Users should consult legal counsel before using NLM-produced records to be certain that their plans are in compliance with appropriate laws. All records must be identified as being derived from NLM databases.