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PubMed total records by publication year
Yearly citation totals from each year of the MEDLINE/PubMed Baseline referencing citations back to year 1781. These totals may increase over time for a particular year as new... -
Medical Subject Headings (MeSH)
Medical Subject Headings (MeSH) is a hierarchically-organized terminology for indexing and cataloging of biomedical information. It is used for the indexing of PubMed and other... -
Pillbox (retired January 28, 2021)
This resource was retired on January 28, 2021 and is no longer updated. These data remain available to support research and development efforts. Pillbox's final image library is... -
Learning Resources Database
The Learning Resources Database is a catalog of interactive tutorials, videos, online classes, finding aids, and other instructional resources on National Library of Medicine... -
Disaster Lit
This resource was retired on June 1, 2021 and is no longer updated. These data remain available to support research and development efforts. Disaster Lit®: Database for Disaster... -
MEDLINE/PubMed Baseline Statistics: Min/Max Report
A file containing all Min/Max Baseline Reports for 2005-2023 in their original format is available in the Attachments section below. A second file includes a separate set of... -
MeSH 2025 Update - Preferred Term Update Report
(Includes MeSH 2023 and 2024 changes) The MeSH 2025 Update - Preferred Term Update Report lists changes to the Preferred Term of a Descriptor or a Supplementary Concept Record... -
MeSH 2025 Update - Registry Number Update Report
(Includes MeSH 2023 and 2024 changes) The MeSH 2025 Update - Registry Number Update Report lists changes to Registry Numbers on a Descriptor or Supplementary Concept Record... -
MEDLINE/PubMed Baseline Statistics: Misc Report
A file containing all Misc Baseline Reports for 2018-2023 in their original format is available in the Attachments section below. MEDLINE/PubMed annual statistical reports are... -
MeSH 2023 - New Headings with Scope Notes
This dataset includes all newly added MeSH Main Headings for 2023. Headings play a central role in MeSH vocabulary as a unit of Indexing and retrieval. With the exception of... -
MeSH 2025 Update - Replace Report
(Includes MeSH 2023 and 2024 changes) The MeSH 2025 Update - Replace Report lists Descriptors and Supplementary Concept Records (SCRs) where an existing MeSH term has been... -
MeSH 2025 Update - Add Report
(Includes MeSH 2023 and 2024 changes) The MeSH 2025 Update - Add Report lists new Descriptors and Supplementary Concept Records (SCRs) that have been added to MeSH for the... -
MeSH Population Groups (Type 5 SCR)
Working with partners across NIH, led by NIMHD and the NLM OBSSR-Behavioral Ontology Working Group, MeSH on November 29, 2022 added Federally recognized American Indian and... -
MeSH 2023 Publication Types
Publication Types (Publication Characteristics) are Descriptors that indicate what an indexed item is, (i.e., its genre, rather than what it is about - for example, Historical... -
Partners in Information Access for the Public Health Workforce (PHPartners) (retired September 14, 2021)
Partners in Information Access for the Public Health Workforce (PHPartners) is a web portal and current awareness service of information for the public health workforce. Alerts... -
Health Services Research Projects in Progress (HSRProj)
Health Services Research Projects in Progress (HSRProj) was a database of health services research and public health projects in progress, related to research in quality, cost,... -
MeSH 2025 Update - Combine Report
(Includes MeSH 2023 and 2024 changes) The MeSH 2025 Update - Combine Report lists new Entry Combinations. These are cases where a new, precoordinated Descriptor has been created... -
Health Services and Sciences Research Resources (HSRR)
Health Services and Sciences Research Resources (HSRR) provides information about research datasets and instruments/indices employed in Health Services Research, Behavioral and... -
Catalog Record Data
NLM produces bibliographic records for books, journals and other materials from NLM's collections in NLMXML, MARCXML and MARC 21 formats. These records can be searched at NLM... -
MeSH 2025 Update - Delete Report
(Includes MeSH 2023 and 2024 changes) The MeSH 2025 Update - Delete Report lists Descriptors and Supplementary Concept Records (SCRs) that have been removed from MeSH. This...
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