Entrez: The Life Sciences Search Engine (NCBI)

Entrez is the integrated, text-based search and retrieval system from NCBI used to search across major databases, including PubMed, PubChem, Online Mendelian Inheritance in Man (OMIM), Nucleotide and Protein Sequences, Protein Structures, Complete Genomes, and Taxonomy. It also searches the NCBI website and NCBI Bookshelf of publicly accessible biomedical books.

Database Permalink


This permalink is a direct, persistent URL to the database that will always work and won't break.


NCBI National Center for Biotechnology Information. National Library of Medicine. National Institutes of Health

Resource Types

Statistics and Data

Online Availability

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