**PubMed** is a **free [[resource]] developed and maintained by the [[National Center for Biotechnology Information]] (NCBI)** at the [[U.S. National Library of Medicine]] (NLM), part of the [[National Institutes of Health]] (NIH). It provides access to **over 35 million [[citation]]s and [[abstract]]s** from biomedical and life sciences [[literature]], primarily from the **[[MEDLINE]]** database, as well as from **PubMed Central (PMC)** and books.

* **Scope**: Medicine, nursing, dentistry, veterinary medicine, healthcare systems, and preclinical sciences.
* **Content types**: Journal articles, case reports, reviews, clinical trials, systematic reviews, and more.
* **Indexing quality**: Citations indexed in MEDLINE are curated using the **Medical Subject Headings (MeSH)** vocabulary.
* **Access**: PubMed is **freely available to the public**, but full-text access depends on journal or institutional subscriptions, unless the article is open access.

**Website**: [https://pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov)