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The Entrez (IPA: [ɒnˈtreɪ]) [ 1 ] Global Query Cross-Database Search System is a federated search engine, or web portal that allows users to search many discrete health sciences databases at the National Center for Biotechnology Information (NCBI) website. [ 2 ]
Entrez (Global Query Cross-Database Search System) permite acceder a la base de datos del National Center for Biotechnology Information (NCBI). NCBI es una parte de la National Library of Medicine (NLM), así como un departamento de National Institutes of Health (NIH) del Gobierno de los Estados Unidos.
Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation. English 6,895,000+ articles 日本語 1,433,000+ 記事
The Spanish Wikipedia (Spanish: Wikipedia en español) is a Spanish-language edition of Wikipedia, a free online encyclopedia. It has 1,984,199 articles. Started in May 2001, it reached 100,000 articles on 8 March 2006, and 1,000,000 articles on 16 May 2013.
Entrez is a molecular biology database system that provides integrated access to nucleotide and protein sequence data, gene-centered and genomic mapping information, 3D structure data, PubMed MEDLINE, and more.
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.
PubMed® comprises more than 37 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites.
