On the external network, via the internet. PubMed also provides access and links to the integrated molecular biology databases included in NCBI's Entrez retrieval system. These databases contain DNA and protein sequences, 3-D protein structure data, population study data sets, and assemblies of complete genomes in an integrated system. The file contains over 11 million citations dating back to the mid-1960's.
Coverage is worldwide, but most records are from English-language sources or have English abstracts.