Entrez

Unrestricted Access

Description

Allows the user to search across multiple NCBI databases. Returns results with number of hits listed by resource. The Entrez system comprises 40 molecular and literature databases. New databases are added as biomedical science advances and new kinds of data become available.

Dates covered

Most recent information.

Updating frequency

As new information becomes available.

Sources

National Center for Biotechnology Information (NCBI).

Sub-collection

Type of coverage

Human/animal/genetics/genomics information.

Print counterpart or
related resources

Government reports, industry reports, white papers, books, journal articles, databases, gene sequences.

Producer/content provider

National Center for Biotechnology Information (NCBI)

Vendor/electronic presentation provider

National Center for Biotechnology Information (NCBI)