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Ovid MEDLINE Reload Scheduled

Monday, March 3, 2025
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The Ovid MEDLINE (MEDL) database is being reloaded to implement the 2025 MeSH and the new full set of data. We expect it to be live on March 17, 2025. AutoAlerts will run on March 15, 2025, prior to the reload.

In addition, Ovid has made the following changes to the database:
New Limit

• Secondary Source

New Publication Type Limits
• Human Challenge Trials
• Scoping Review
• Network Meta-Analysis

• Study Guide

Changed Publication Type Limit
• "Retraction of Publication" changed to "Retraction Notice"

Change in Cataloging Policy for Male/Female
As of the application of MeSH 2025 for cataloging, NLM catalogers can now use the MeSH Check Tags Male and Female. The annotation in the MeSH Browser "CATALOGER: Do not use" was removed from Male and Female. Catalogers will use gender terms only if gender is the primary focus of the work and not if only mentioned in the work. Catalogers will continue to use Men or Women as defined by the scope note. For complete details, please go to: https://www.nlm.nih.gov/pubs/techbull/nd24/nd24_2025mesh_catalog.html
 
Furthermore, Ovid's major MeSH term searching is now identical to PubMed. Like PubMed already did several years back, Ovid no longer makes the distinction if the focus is on the subject heading or on the sub-heading. For existing searches on a focused subject heading and subheading combination, this change may lead to a higher number of results.
 
You can find more information about the changes to 2025 MeSH on this NLM page: https://www.nlm.nih.gov/mesh/whatsnew.html
You can find complete details on new and changed fields in the Ovid MEDLINE database guide.

For any enquiries about access, please email clbfrm02@nus.edu.sg.

 

Thank you all for your patience and understanding.

 

 

Open Access (OA) is a publishing model that makes research information available to readers at no cost, as opposed to the traditional subscription model in which scholarly information is accessible by paying a subscription. One of the most important advantages of open access is that it increases the visibility and reuse of academic research results.
Average APC paid by NUS authors between 2016-2018 is SGD3200*
Publishing as Gold OA requires authors to pay Article Processing Charges (APC). We are delighted to announce two initiatives to support NUS researchers in publishing OA.
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Institutionally Paid OA for NUS Authors

NUS Libraries, School of Computing, and the Office of the Deputy President (Research & Technology) have worked together to enter into a 5-year open access agreement with the Association for Computing Machinery (ACM). For all submissions to ACM made between Jan 1, 2021 and Dec 31, 2025, NUS corresponding authors can publish OA at no cost to the author.


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Library-Supported Free-to-Publish Model

NUS Libraries is now a supporting institution of the Open Library of Humanities (OLH) from Sep 2020 to Sep 2021. The OLH is an academic publishing platform that supports 22 fully OA academic journals from across the humanities disciplines. Unlike many OA publishers, the OLH does not charge any author fees. Instead, an international library consortium covers its operational costs.


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Check out more waivers and discounts from other publishers such as Cambridge University Press and American Chemical Society. 
Contact Scholarly Communication to find out more about open access publishing!

*Based on NUS Libraries’ internal analysis of compiled Web of Science data.

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