Skip Navigation Bar
Products and Services
All Products and Services
ClinicalTrials.gov
Digital Collections
LocatorPlus Catalog
Medical Subject Headings (MeSH)
MedlinePlus
PubMed/MEDLINE
Unified Medical Language System (UMLS)
Resources for You
For Researchers
For Publishers
For Librarians
For Educators/Trainers
For Health care Professionals
For the Public
Explore NLM
About the Library
Visit the Library
History of Medicine
NLM by Organization
News, Events, and Updates
Grants and Research
NLM Extramural Programs
NLM Intramural Research Program
National Center for Biotechnology Information
Lister Hill National Center for Biomedical Communications
Home
FAQ: MEDLINE Indexing Requirements for Electronic Journals
The content for this page is now being maintained on
https://www.nlm.nih.gov/medline/medline_policies.html#AccessPreservation
Please update your bookmarks.
">