PubMed

Explore PubMed is a free search engine that provides access to more than 36 million citations for biomedical literature from MEDLINE, life science journals, and online books.

It is maintained by the United States National Library of Medicine (NLM) at the National Institutes of Health as part of the Entrez system of information retrieval.

PubMed is a platform for scholars, researchers, and students of all kinds to discover, share, and connect valuable ideas. It is a tool to search MEDLINE, which is the database of biomedical research articles compiled by the U.S. National Library of Medicine, National Institutes of Health.

MEDLINE has over 21 million citations, with more being added every day.