-
Federal
PubMed total records by publication year
U.S. Department of Health & Human Services —
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... -
Federal
MeSH Population Groups (Type 5 SCR)
U.S. Department of Health & Human Services —
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... -
Federal
MeSH 2025 Update - Merge Report
U.S. Department of Health & Human Services —
(Includes MeSH 2023 and 2024 changes) NOTE - There are no Merges for 2025 MeSH. The MeSH 2025 Update - Merge Report describes cases where two or more terms have... -
Federal
UCUM Web API Service
U.S. Department of Health & Human Services —
A web API service for validating and converting unit expressions from the Unified Code for Units of Measure (UCUM). http://unitsofmeasure.org/trac -
Federal
Health Service Research (HSR) PubMed Queries
U.S. Department of Health & Human Services —
Health Service Research (HSR) PubMed Queries contains preformulated specialized PubMed searches on healthcare quality and costs. -
Federal
Images from the History of Medicine
U.S. Department of Health & Human Services —
Images from the History of Medicine (IHM) in NLM Digital Collections provides online access to images from the historical collections of the U.S. National Library of... -
Federal
Health Services Research Projects in Progress (HSRProj)
U.S. Department of Health & Human Services —
The Health Services Research Projects in Progress (HSRProj) was a dataset of ongoing health services research and public health projects containing descriptions of... -
Federal
Disaster Lit
U.S. Department of Health & Human Services —
This resource was retired on June 1, 2021 and is no longer updated.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...