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  2. PubMed - Wikipedia

    en.wikipedia.org/wiki/PubMed

    PubMed is a free database including primarily the MEDLINE database of references and abstracts on life sciences and biomedical topics. The United States National Library of Medicine (NLM) at the National Institutes of Health maintains the database as part of the Entrez system of information retrieval .

  3. List of academic databases and search engines - Wikipedia

    en.wikipedia.org/wiki/List_of_academic_databases...

    A gateway to government science information and research results. Science.gov provides a search of over 45 scientific databases and 200 million pages of science information with just one query, and is a gateway to over 2000 scientific Websites. Free

  4. PubMed Central - Wikipedia

    en.wikipedia.org/wiki/PubMed_Central

    PubMed Central is a free digital archive of full articles, accessible to anyone from anywhere via a web browser (with varying provisions for reuse). Conversely, although PubMed is a searchable database of biomedical citations and abstracts, the full-text article resides elsewhere (in print or online, free or behind a subscriber paywall).

  5. National Center for Biotechnology Information - Wikipedia

    en.wikipedia.org/wiki/National_Center_for...

    The Entrez Global Query Cross-Database Search System is used at NCBI for all the major databases such as Nucleotide and Protein Sequences, Protein Structures, PubMed, Taxonomy, Complete Genomes, OMIM, and several others. [9] Entrez is both an indexing and retrieval system having data from various sources for biomedical research.

  6. List of online databases - Wikipedia

    en.wikipedia.org/wiki/List_of_online_databases

    This is a list of online databases accessible via ... Database; PsycINFO; PubChem; PubMed Central ... databases and search engines; List of biodiversity databases;

  7. United States National Library of Medicine - Wikipedia

    en.wikipedia.org/wiki/United_States_National...

    The National Library of Medicine runs the National Center for Biotechnology Information, which houses biological databases (PubMed among them) that are freely accessible on the Internet through the Entrez search engine [8] and Lister Hill National Center For Biomedical Communications. [9]

  8. Entrez - Wikipedia

    en.wikipedia.org/wiki/Entrez

    Entrez Global Query is an integrated search and retrieval system that provides access to all databases simultaneously with a single query string and user interface. Entrez can efficiently retrieve related sequences , structures , and references.

  9. MEDLINE - Wikipedia

    en.wikipedia.org/wiki/MEDLINE

    Counterintuitively, a search that returns thousands of articles is not guaranteed to be comprehensive. Unlike using a typical Internet search engine, PubMed searching MEDLINE requires a little investment of time. Using the MeSH database to define the subject of interest is one of the most useful ways to improve the quality of a search.