Information, support and resources for evidence searching using PubMed
PubMed® comprises more than 32 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites.

This short video describes the connection between three resources provided by the National Library of Medicine; PubMed, MEDLINE, and PubMed Central or PMC. PubMed, MEDLINE, and PMC all overlap and knowing the basics of their connection will help you to search and use these resources more effectively.


PubMed SearchAccess the PubMed search platform.
PubMed User GuideFAQs and guides to searching PubMed.
PubMed Advanced Search BuilderBuild an advanced search on PubMed.
PubMed Online TrainingAccess to a wide range of quick tours, tutorials and recordings of training.
Welcome to Medical Subject HeadingsThe Medical Subject Headings (MeSH) thesaurus is a controlled vocabulary used for indexing, cataloging, and searching of biomedical and health-related information.

Last updated: October 28, 2021