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The NCBI is a part of the National Library of Medicine (NLM), which is itself a department of the National Institutes of Health (NIH), which in turn is a part of the United States Department of Health and Human Services. The name "Entrez" (a greeting meaning "Come in" in French) was chosen to reflect the spirit of welcoming the public to search ...
The United States National Library of Medicine (NLM), operated by the United States federal government, is the world's largest medical library. [ 5 ] Located in Bethesda, Maryland , the NLM is an institute within the National Institutes of Health .
The NLM maintains numerous medical and genomic databases, searchable via its Entrez search system, including MEDLINE and OMIM (a genetic traits database). The largest medical library in Europe is the German National Library of Medicine (ZB MED), which also has collections in the fields of nutrition, agriculture, and environmental science.
The National Library of Medicine has long provided programs and services for professional medical scientists and health care providers, including MEDLINE and the various services that access it, such as PubMed and Entrez. By the 1990s, more members of the general public were using these services as Internet access became widespread. [5]
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.
MEDLINE (Medical Literature Analysis and Retrieval System Online, or MEDLARS Online) is a bibliographic database of life sciences and biomedical information. It includes bibliographic information for articles from academic journals covering medicine, nursing, pharmacy, dentistry, veterinary medicine, and health care.
The National Library of Medicine (NLM) classification system is a library indexing system covering the fields of medicine and preclinical basic sciences. The NLM classification is patterned after the Library of Congress (LC) Classification system : alphabetical letters denote broad subject categories which are subdivided by numbers. [ 1 ]
nlm.nih.gov/mesh Medical Subject Headings ( MeSH ) is a comprehensive controlled vocabulary for the purpose of indexing journal articles and books in the life sciences . It serves as a thesaurus of index terms that facilitates searching.